├── Abstraction
    ├── AbstractChallenge
    │   ├── ArtObject.java
    │   ├── ProductForSale.java
    │   ├── Store.java
    │   └── furniture.java
    ├── Animal.java
    ├── Dog.java
    ├── Fish.java
    ├── Horse.java
    └── Main.java
├── Array
    ├── Array2.java
    ├── ArrayChallenge.java
    ├── ArrayReferences.java
    ├── Main.java
    ├── Min_Element.java
    ├── MinimumElementChallenge.java
    ├── MultipleArrays.java
    ├── ReverseArray.java
    ├── SortedArray.java
    └── VarArgs.java
├── ArrayList
    ├── ArrayListChallenge.java
    ├── AutoBoxing
    │   ├── BankingApplication
    │   │   └── Main.java
    │   └── Main.java
    ├── Banking_System.java
    ├── DayOfTheWeek.java
    ├── Emain.java
    ├── GroceryItem.java
    ├── LinkedList_Challenge.java
    ├── Main.java
    ├── MobilePhoneBook
    │   ├── Contact.java
    │   └── MobilePhone.java
    ├── MoreLists.java
    ├── PlayList
    │   ├── Album.java
    │   └── Song.java
    └── Topping.java
├── Banking_Model
    ├── pom.xml
    └── src
    │   └── main
    │       ├── java
    │           └── org
    │           │   └── example
    │           │       ├── Entity
    │           │           ├── AccountDetails.java
    │           │           ├── Transaction.java
    │           │           └── User.java
    │           │       ├── Enum
    │           │           ├── Role.java
    │           │           └── TrascationType.java
    │           │       ├── Main.java
    │           │       ├── Service
    │           │           └── TransactionService.java
    │           │       └── ServiceImpl
    │           │           └── TransactionServiceImpl.java
    │       └── main.iml
├── ChatTCP
    ├── SocketClient.java
    └── SocketServer.java
├── ChatUDP
    ├── DatagramA.java
    └── DatagramB.java
├── Collection_FrameWork
    ├── Generics.java
    ├── Main.java
    ├── NameComparators.java
    ├── NewMain.java
    ├── Person.java
    ├── Student.java
    └── TestingGenerics.java
├── Control_flow
    ├── DiagonalStar.java
    ├── FirstAndLastDigitSum.java
    ├── FlourPacker.java
    ├── GreatestCommonDivisor.java
    ├── IfStatment.java
    ├── Input_Calculator.java
    ├── IntEqualityPrinter.java
    ├── LargestPrime.java
    ├── LastDigitChecker.java
    ├── NumberToWords.java
    ├── Number_in_word.java
    ├── Palindrome.java
    ├── PerfectNumber.java
    ├── SecondsAndMinuteChallenge.java
    ├── Shared_Digit.java
    ├── Sum3And5Challenge.java
    ├── SwitchStatment.java
    ├── Switch_Statement.java
    ├── The_loop.java
    ├── TryAndException.java
    ├── getEvenDigitSum.java
    ├── inputAndOutput.java
    ├── isLeapYear.java
    ├── printFactors.java
    └── sumOdd.java
├── FaceBook_Clone_Group_project
    ├── mvnw
    ├── mvnw.cmd
    ├── pom.xml
    ├── src
    │   └── main
    │   │   ├── java
    │   │       └── com
    │   │       │   └── facebook
    │   │       │       └── clone
    │   │       │           └── weeksixtask
    │   │       │               ├── DAO
    │   │       │                   ├── PostDAO.java
    │   │       │                   └── UserDAO.java
    │   │       │               ├── DT0
    │   │       │                   └── UserDTO.java
    │   │       │               ├── HelloServlet.java
    │   │       │               ├── Model
    │   │       │                   ├── Post.java
    │   │       │                   └── User.java
    │   │       │               └── NewUser.java
    │   │   ├── resources
    │   │       └── META-INF
    │   │       │   ├── beans.xml
    │   │       │   └── persistence.xml
    │   │   └── webapp
    │   │       ├── WEB-INF
    │   │           └── web.xml
    │   │       ├── custom.css
    │   │       ├── home.jsp
    │   │       ├── index.jsp
    │   │       ├── login.jsp
    │   │       └── script.js
    └── target
    │   ├── WeekSixTask-1.0-SNAPSHOT
    │       ├── META-INF
    │       │   └── MANIFEST.MF
    │       ├── WEB-INF
    │       │   ├── classes
    │       │   │   ├── META-INF
    │       │   │   │   ├── beans.xml
    │       │   │   │   └── persistence.xml
    │       │   │   └── com
    │       │   │   │   └── facebook
    │       │   │   │       └── clone
    │       │   │   │           └── weeksixtask
    │       │   │   │               ├── DAO
    │       │   │   │                   └── UserDAO.class
    │       │   │   │               ├── DT0
    │       │   │   │                   ├── UserDTO$UserDTOBuilder.class
    │       │   │   │                   └── UserDTO.class
    │       │   │   │               ├── HelloServlet.class
    │       │   │   │               ├── Model
    │       │   │   │                   ├── User$UserBuilder.class
    │       │   │   │                   └── User.class
    │       │   │   │               └── NewUser.class
    │       │   ├── lib
    │       │   │   ├── jakarta.mvc-api-2.0.0.jar
    │       │   │   └── lombok-1.18.28.jar
    │       │   └── web.xml
    │       ├── custom.css
    │       ├── home.jsp
    │       ├── index.jsp
    │       ├── login.jsp
    │       └── script.js
    │   └── classes
    │       ├── META-INF
    │           ├── beans.xml
    │           └── persistence.xml
    │       └── com
    │           └── facebook
    │               └── clone
    │                   └── weeksixtask
    │                       ├── DAO
    │                           └── UserDAO.class
    │                       ├── DT0
    │                           ├── UserDTO$UserDTOBuilder.class
    │                           └── UserDTO.class
    │                       ├── HelloServlet.class
    │                       ├── Model
    │                           ├── User$UserBuilder.class
    │                           └── User.class
    │                       └── NewUser.class
├── Imperative
    ├── CallBacks
    │   ├── Lambdas.java
    │   └── Main.java
    ├── CombinatorPattern
    │   ├── Customer.java
    │   ├── CustomerRegistrationValidator.java
    │   ├── CustomerValidatorService.java
    │   └── Main.java
    ├── Functional_Interface
    │   ├── _Consumer.java
    │   ├── _Function.java
    │   ├── _Predicate.java
    │   └── _Supplier.java
    ├── Main.java
    ├── MondayClass.java
    ├── Optionals
    │   └── Main.java
    └── _Stream.java
├── InputOutput
    ├── Address.java
    ├── BufferedReader.java
    ├── Class_activities.java
    ├── Employee.java
    ├── Main.java
    ├── NIO.java
    ├── Practice2.java
    └── User.java
├── Interfaces
    ├── Animal.java
    ├── Bird.java
    ├── DragonFly1.java
    ├── Interface_Challenge
    │   ├── Building.java
    │   ├── Main.java
    │   ├── Mappable.java
    │   └── UtilityLine.java
    ├── Jet.java
    ├── Main.java
    ├── Test.java
    └── Truck.java
├── Introduction_to_Expressions_and_statements_in_Java
    ├── AreaCalculator.java
    ├── Array.java
    ├── BarkingDog.java
    ├── EqualSumChecker.java
    ├── Foundation_review.java
    ├── InterestRate.java
    ├── KilobytesToMegabytes.java
    ├── MethodOverLoadingChallenge.java
    ├── MethodOverloading.java
    ├── MethodsAndReturn.java
    ├── MethodsCont.java
    ├── Min_And_Max_Challenge.java
    ├── MinutesToYearsDaysCalculator.java
    ├── PaintJob.java
    ├── PlayingCat.java
    ├── PrimeNumber.java
    ├── SpeedConverter.java
    ├── TeenNumberChecker.java
    ├── areEqualByThreeDecimalPlaces.java
    ├── is _Even_Number.java
    └── numberOfDaysInMonth.java
├── JUnit_Testing
    ├── Grader.java
    ├── GraderTest.java
    ├── Manager
    │   ├── Main.java
    │   ├── PContact.java
    │   ├── PContactManager.java
    │   └── PContactManagerTest.java
    ├── SimpleCalculator.java
    └── SimpleCalculatorTest.java
├── JavaFX_Project
    ├── mvnw
    ├── mvnw.cmd
    ├── pom.xml
    ├── src
    │   └── main
    │   │   ├── java
    │   │       ├── com
    │   │       │   └── example
    │   │       │   │   └── javafx_project
    │   │       │   │       ├── HelloApplication.java
    │   │       │   │       └── HelloController.java
    │   │       └── module-info.java
    │   │   └── resources
    │   │       └── com
    │   │           └── example
    │   │               └── javafx_project
    │   │                   └── hello-view.fxml
    └── target
    │   └── classes
    │       ├── com
    │           └── example
    │           │   └── javafx_project
    │           │       ├── HelloApplication.class
    │           │       ├── HelloController.class
    │           │       └── hello-view.fxml
    │       └── module-info.class
├── Java_School_OOP_Model
    ├── pom.xml
    └── src
    │   └── main
    │       └── java
    │           └── org
    │               └── example
    │                   ├── Main.java
    │                   ├── SchoolModel
    │                       ├── Applicant.java
    │                       ├── Assignment.java
    │                       ├── Course.java
    │                       ├── Exam.java
    │                       ├── NonAcademicStaff.java
    │                       ├── Person.java
    │                       ├── Principal.java
    │                       ├── School.java
    │                       ├── Staff.java
    │                       ├── Student.java
    │                       └── Teacher.java
    │                   └── services
    │                       ├── PrincipalService.java
    │                       ├── StudentService.java
    │                       ├── TeacherService.java
    │                       └── serviceImpl
    │                           ├── PrincipalServiceImpl.java
    │                           ├── StudentServiceImpl.java
    │                           └── TeacherServiceImpl.java
├── LICENSE
├── MultiThreading
    ├── DeadLock.java
    ├── HttpSun.java
    ├── Main.java
    ├── Main2.java
    ├── Main3.java
    ├── MessagesMain.java
    ├── MultiThreading3.java
    ├── Multithreading.java
    ├── Multithreading5.java
    ├── ThreadColor.java
    └── ThreadRunnable.java
├── My_OOP_practices
    ├── pom.xml
    ├── src
    │   ├── main
    │   │   └── java
    │   │   │   └── org
    │   │   │       └── example
    │   │   │           ├── Inheritance_Challenge
    │   │   │               ├── Employee.java
    │   │   │               ├── HourlyEmployee.java
    │   │   │               ├── Main.java
    │   │   │               ├── SalariedEmployee.java
    │   │   │               └── Worker.java
    │   │   │           └── Main.java
    │   └── test
    │   │   └── java
    │   │       └── org
    │   │           └── example
    │   │               └── StudentTest.java
    └── target
    │   ├── classes
    │       └── org
    │       │   └── example
    │       │       ├── Inheritance_Challenge
    │       │           ├── Employee.class
    │       │           ├── HourlyEmployee.class
    │       │           ├── Main$1.class
    │       │           ├── Main.class
    │       │           ├── SalariedEmployee.class
    │       │           └── Worker.class
    │       │       ├── Main.class
    │       │       ├── PrimarySchoolStudent.class
    │       │       └── Student.class
    │   └── test-classes
    │       └── org
    │           └── example
    │               └── StudentTest.class
├── Networking
    ├── Advance_TCP
    │   ├── DownloadingHTMLfiles.java
    │   ├── Main.java
    │   ├── MethodsToReadHTMLfiles.java
    │   ├── PrintingNetworkAdaptor.java
    │   ├── checkInetAddress.java
    │   ├── checkURI.java
    │   └── checkURL.java
    ├── Advancing
    │   ├── Client.java
    │   └── Server.java
    ├── CHATtcp
    │   ├── Client.java
    │   └── Server.java
    ├── Client.java
    ├── DaroClass
    │   └── HttpServerWithIO.java
    ├── HttpServerWithIO.java
    ├── Server.java
    └── TCP_MultiThreading
    │   ├── Client.java
    │   ├── ServerMain.java
    │   └── ServerThread.java
├── Object_Oriented_programming_in_Java
    ├── Bills_Burgers.java
    ├── CompositionChallenge
    │   ├── Main.java
    │   └── SmartKitchen.java
    ├── ComputerFactory
    │   ├── ComputerCase.java
    │   ├── Main.java
    │   ├── Monitor.java
    │   ├── Motherboard.java
    │   ├── PersonalComputer.java
    │   └── Product.java
    ├── Constructor_Challenge.java
    ├── Cylinder_OOP_Model.java
    ├── Encapsulation
    │   ├── Main.java
    │   ├── Player_with_Encapsulation.java
    │   ├── Player_without_Encapsulation.java
    │   └── Printer.java
    ├── Exception.java
    ├── Inheritance.java
    ├── IntroductionToOOP.java
    ├── Model_BankDetails.java
    ├── OOP_Master_Challenge
    │   ├── Burger.java
    │   ├── DeluxeBurger.java
    │   ├── Item.java
    │   ├── Main.java
    │   └── MealOrder.java
    ├── Person.java
    ├── Point_calculation.java
    ├── Polymorphism
    │   ├── Main.java
    │   ├── Movie.java
    │   └── polymorphismChallenge
    │   │   └── Car.java
    ├── PolymorphismChallenge
    │   ├── Car.java
    │   └── Main.java
    ├── Pool_Area_OOP_MODEL.java
    ├── README.md
    ├── SimpleCalculator.java
    ├── SmartKitchen_OOP_Model.java
    ├── String_manipulation.java
    ├── Student_challenge.java
    ├── Wall.java
    └── constructors.java
├── PhoneBook
    ├── Main.java
    ├── Person.java
    └── PersonComparator.java
├── README.md
├── Streams
    ├── Department.java
    ├── Employee.java
    └── Main.java
├── Student_Management_System
    ├── pom.xml
    ├── src
    │   └── main
    │   │   └── java
    │   │       └── org
    │   │           └── example
    │   │               ├── Main.java
    │   │               ├── Student.java
    │   │               └── StudentComparator.java
    └── target
    │   └── classes
    │       └── org
    │           └── example
    │               ├── Main.class
    │               ├── Student.class
    │               └── StudentComparator.class
├── TASK_3
    ├── Entities
    │   ├── Customer.java
    │   ├── CustomerChecker.java
    │   └── Product.java
    ├── Main.java
    ├── Services
    │   └── CustomerTransactionServices.java
    └── ServicesImpl
    │   └── CustomerTransactionServicesImpl.java
├── Task3Band4
    ├── Entities
    │   ├── Customer.java
    │   ├── Main.java
    │   ├── ProducList.csv
    │   ├── Product.java
    │   ├── ReaderClass.java
    │   └── Store.java
    └── Services
    │   ├── Sales.java
    │   └── ServiceImpl
    │       ├── FIFOImpl.java
    │       └── PTBQ.java
├── Task5
    └── Main.java
├── Task6 Frontend
    ├── bg1.jpg
    ├── bg2.jpg
    ├── custom.css
    ├── dashboard.html
    ├── facebook _icon2.png
    ├── facebook_icon1.png
    ├── index.html
    ├── login_page.html
    ├── sample_photo.jpeg
    ├── script.js
    ├── style.css
    └── tires.mp4
├── WEEK2_TASK
    ├── File_Reader.java
    ├── File_Writer.java
    ├── Main.java
    ├── Student.csv
    └── Teachers.csv
├── mySQL_DataBase
    ├── Basic_Queries.sql
    ├── CRUD_Operation.sql
    ├── Company_DataBase
    │   ├── Queries.sql
    │   ├── SQLfunctions.sql
    │   ├── branch_Table.sql
    │   ├── client_table.sql
    │   └── employee_Table.sql
    ├── DBconnect.sql
    ├── Inserting_Data.sql
    ├── README.md
    └── Update_Delete.sql
├── pom.xml
└── week_six_facebookClone
    ├── mvnw
    ├── mvnw.cmd
    ├── pom.xml
    ├── src
        └── main
        │   ├── java
        │       ├── com
        │       │   └── weeksix
        │       │   │   └── facebookclone
        │       │   │       └── HelloServlet.java
        │       ├── dao
        │       │   ├── PostDao.java
        │       │   └── UserDao.java
        │       ├── dbConnect
        │       │   └── ConnectDatabase.java
        │       ├── enums
        │       │   └── Gender.java
        │       ├── model
        │       │   ├── LikeAndUnlike.java
        │       │   ├── Post.java
        │       │   └── User.java
        │       └── servlets
        │       │   ├── LoginServlet.java
        │       │   ├── PostServlet.java
        │       │   └── RegistrationServlet.java
        │   └── webapp
        │       ├── WEB-INF
        │           └── web.xml
        │       ├── css
        │           ├── style.css
        │           └── styles.css
        │       ├── homepage.jsp
        │       ├── index.jsp
        │       ├── js
        │           └── script.js
        │       └── signin.jsp
    └── target
        ├── classes
            ├── com
            │   └── weeksix
            │   │   └── facebookclone
            │   │       └── HelloServlet.class
            ├── dao
            │   ├── PostDao.class
            │   └── UserDao.class
            ├── dbConnect
            │   └── ConnectDatabase.class
            ├── enums
            │   └── Gender.class
            ├── model
            │   ├── LikeAndUnlike.class
            │   ├── Post.class
            │   └── User.class
            └── servlets
            │   ├── LoginServlet.class
            │   ├── PostServlet.class
            │   └── RegistrationServlet.class
        └── facebookClone-1.0-SNAPSHOT
            ├── META-INF
                └── MANIFEST.MF
            ├── WEB-INF
                ├── classes
                │   ├── com
                │   │   └── weeksix
                │   │   │   └── facebookclone
                │   │   │       └── HelloServlet.class
                │   ├── dao
                │   │   ├── PostDao.class
                │   │   └── UserDao.class
                │   ├── dbConnect
                │   │   └── ConnectDatabase.class
                │   ├── enums
                │   │   └── Gender.class
                │   ├── model
                │   │   ├── LikeAndUnlike.class
                │   │   ├── Post.class
                │   │   └── User.class
                │   └── servlets
                │   │   ├── LoginServlet.class
                │   │   ├── PostServlet.class
                │   │   └── RegistrationServlet.class
                ├── lib
                │   ├── jakarta.mvc-api-2.0.0.jar
                │   ├── mysql-connector-j-8.0.32.jar
                │   ├── protobuf-java-3.21.9.jar
                │   ├── spring-beans-6.0.9.jar
                │   ├── spring-core-6.0.9.jar
                │   ├── spring-jcl-6.0.9.jar
                │   ├── spring-jdbc-6.0.9.jar
                │   └── spring-tx-6.0.9.jar
                └── web.xml
            ├── css
                ├── style.css
                └── styles.css
            ├── homepage.jsp
            ├── index.jsp
            ├── js
                └── script.js
            └── signin.jsp


/Abstraction/AbstractChallenge/ArtObject.java:
--------------------------------------------------------------------------------
 1 | package org.example.Abstraction.AbstractChallenge;
 2 | 
 3 | public class ArtObject extends ProductForSale{
 4 | 
 5 |     public ArtObject(String type, double price, String description) {
 6 |         super(type, price, description);
 7 |     }
 8 | 
 9 |     @Override
10 |     public void showDetails() {
11 |         System.out.println("This " + type + " is a beautiful reproduction");
12 |         System.out.printf("The price of the piece is $%6.2f %n", price);
13 |         System.out.println(description);
14 |     }
15 | }
16 | 


--------------------------------------------------------------------------------
/Abstraction/AbstractChallenge/ProductForSale.java:
--------------------------------------------------------------------------------
 1 | package org.example.Abstraction.AbstractChallenge;
 2 | 
 3 | public abstract class ProductForSale {
 4 |     protected String type;
 5 |     protected double price;
 6 |     protected  String description;
 7 | 
 8 |     public ProductForSale(String type, double price, String description) {
 9 |         this.type = type;
10 |         this.price = price;
11 |         this.description = description;
12 |     }
13 | 
14 |     public double getSalesPrice(int quantity){
15 |         return quantity * price;
16 |     }
17 | 
18 |     public void printPricedItem(int quantity){
19 |         System.out.printf("%2d quantity at $%8.2f each, %-15s %-35s %n", quantity, price, type, description);
20 |     }
21 | 
22 |     public abstract void showDetails();
23 | 
24 | }
25 | 


--------------------------------------------------------------------------------
/Abstraction/AbstractChallenge/furniture.java:
--------------------------------------------------------------------------------
 1 | package org.example.Abstraction.AbstractChallenge;
 2 | 
 3 | public class furniture extends ProductForSale{
 4 | 
 5 |     public furniture(String type, double price, String description) {
 6 |         super(type, price, description);
 7 |     }
 8 | 
 9 |     @Override
10 |     public void showDetails() {
11 |         System.out.println("This " + type + " was manufactured in North Carolina");
12 |         System.out.printf("The price of the piece is $%6.2f %n", price);
13 |         System.out.println(description);
14 |     }
15 | }
16 | 


--------------------------------------------------------------------------------
/Abstraction/Animal.java:
--------------------------------------------------------------------------------
 1 | package org.example.Abstraction;
 2 | 
 3 | 
 4 | abstract class Mammal extends Animal {
 5 | 
 6 |     public Mammal(String type, String size, double weight) {
 7 |         super(type, size, weight);
 8 |     }
 9 | 
10 |     @Override
11 |     public void move(String speed) {
12 |         System.out.println(getExplicitType() + " ");
13 |         System.out.println( speed.equals("slow") ? "walks" : "run");
14 |     }
15 |     public abstract void shedHair();
16 | }
17 | public abstract class Animal {
18 |     protected String type;
19 |     private String size;
20 |     private double weight;
21 | 
22 |     public Animal(String type, String size, double weight) {
23 |         this.type = type;
24 |         this.size = size;
25 |         this.weight = weight;
26 |     }
27 | 
28 |     public abstract void move(String speed);
29 |     public abstract void makeNoise();
30 | 
31 |     public String getExplicitType(){
32 |         return getClass().getSimpleName() + " (" + type + ")";
33 |     }
34 | }
35 | 


--------------------------------------------------------------------------------
/Abstraction/Dog.java:
--------------------------------------------------------------------------------
 1 | package org.example.Abstraction;
 2 | 
 3 | import java.util.Objects;
 4 | 
 5 | public class Dog extends Mammal{
 6 | 
 7 |     public Dog(String type, String size, double weight) {
 8 |         super(type, size, weight);
 9 |     }
10 | 
11 |     @Override
12 |     public void move(String speed) {
13 |         if(Objects.equals(speed, "Slow")) {
14 |             System.out.println(getExplicitType() + " walking");
15 |         }else{
16 |             System.out.println(getExplicitType() + " running");
17 |         }
18 |     }
19 | 
20 |     @Override
21 |     public void shedHair() {
22 |         System.out.println(getExplicitType() + " shed hair all the time");
23 |     }
24 | 
25 |     @Override
26 |     public void makeNoise() {
27 |         if (Objects.equals(type, "wolf")){
28 |             System.out.println("Howling!");
29 |         }else{
30 |             System.out.println("Woof!");
31 |         }
32 |     }
33 | }
34 | 


--------------------------------------------------------------------------------
/Abstraction/Fish.java:
--------------------------------------------------------------------------------
 1 | package org.example.Abstraction;
 2 | 
 3 | import java.util.Objects;
 4 | 
 5 | public class Fish extends Animal{
 6 | 
 7 |     public Fish(String type, String size, double weight) {
 8 |         super(type, size, weight);
 9 |     }
10 | 
11 |     @Override
12 |     public void move(String speed) {
13 |         if(Objects.equals(speed, "Slow")) {
14 |             System.out.println(getExplicitType() + " lazily swimming");
15 |         }else{
16 |             System.out.println(getExplicitType() + " darting frantically");
17 |         }
18 |     }
19 | 
20 |     @Override
21 |     public void makeNoise() {
22 |         if (Objects.equals(type, "Goldfish")){
23 |             System.out.println("swish!");
24 |         }else{
25 |             System.out.println("splash!");
26 |         }
27 |     }
28 | }
29 | 


--------------------------------------------------------------------------------
/Abstraction/Horse.java:
--------------------------------------------------------------------------------
 1 | package org.example.Abstraction;
 2 | 
 3 | public class Horse extends  Mammal{
 4 |     public Horse(String type, String size, double weight) {
 5 |         super(type, size, weight);
 6 |     }
 7 | 
 8 |     @Override
 9 |     public void shedHair() {
10 |         System.out.println(getExplicitType() + " sheds in the spring");
11 |     }
12 | 
13 |     @Override
14 |     public void makeNoise() {
15 | 
16 |     }
17 | }
18 | 


--------------------------------------------------------------------------------
/Abstraction/Main.java:
--------------------------------------------------------------------------------
 1 | package org.example.Abstraction;
 2 | 
 3 | import java.util.ArrayList;
 4 | 
 5 | public class Main {
 6 |     public static void main(String[] args) {
 7 |         Dog dog = new Dog("wolf", "small", 25.2);
 8 |         dog.makeNoise();
 9 | 
10 |         doAnimalStuff(dog);
11 |         ArrayList<Animal> animals = new ArrayList<>();
12 |         animals.add(dog);
13 |         animals.add(new Dog("German Shepard", "Big", 150));
14 |         animals.add(new Fish("Goldfish", "small", 1));
15 |         animals.add(new Fish("Barracuda", "Big", 75));
16 |         animals.add(new Dog("Pug", "small", 20));
17 | 
18 |         animals.add(new Horse("Clydesdale", "large", 1000));
19 | 
20 |         for(Animal animal : animals){
21 |             doAnimalStuff(animal);
22 |             if (animal instanceof Mammal currentMammal){
23 |                 currentMammal.shedHair();
24 |             }
25 |         }
26 |     }
27 |     private static void doAnimalStuff(Animal animal){
28 |         animal.makeNoise();
29 |         animal.move("High");
30 |     }
31 | }
32 | 


--------------------------------------------------------------------------------
/Array/ArrayReferences.java:
--------------------------------------------------------------------------------
 1 | package Array;
 2 | 
 3 | import java.util.Arrays;
 4 | 
 5 | public class ArrayReferences {
 6 |     public static void main(String... args) {
 7 |         int[] myIntArray = new int[5];
 8 |         int[] anotherArray = myIntArray;
 9 | 
10 |         System.out.println("myIntArray = " + Arrays.toString(myIntArray));
11 |         System.out.println(("anotherArray = " + Arrays.toString(anotherArray)));
12 | 
13 |         anotherArray[0] = 1;
14 |         modifyArray(myIntArray);
15 | 
16 |         System.out.println("after change myIntArray = " + Arrays.toString(myIntArray));
17 |         System.out.println(("after change anotherArray = " + Arrays.toString(anotherArray)));
18 |     }
19 | 
20 |     private static void modifyArray(int[] array){
21 |         array[1] = 2;
22 |     }
23 | }
24 | 


--------------------------------------------------------------------------------
/Array/Min_Element.java:
--------------------------------------------------------------------------------
 1 | package Array;
 2 | 
 3 | import java.util.Scanner;
 4 | 
 5 | public class Min_Element {
 6 |     public static void main(String[] args) {
 7 |         int mama = readInteger();
 8 |         System.out.println(mama);
 9 | 
10 |         int[] nana = readElement(readInteger());
11 |         System.out.println(nana);
12 |     }
13 |     private static Scanner scanner = new Scanner(System.in);
14 |     private static int readInteger(){
15 |         //Scanner scanner = new Scanner(System.in);
16 |         System.out.println("Enter an Integer: ");
17 |         int input = scanner.nextInt();
18 |         scanner.close();
19 | 
20 |         return input;
21 |     }
22 | 
23 |     private static int[] readElement(int par){
24 |         //Scanner scanner = new Scanner(System.in);
25 |         int[] element = new int[par];
26 |         for (int i = 0; i < element.length; i++){
27 |             int totalElementEntered = scanner.nextInt();
28 |             scanner.nextLine();
29 |             element[i] = totalElementEntered;
30 |         }return element;
31 |     }
32 | 
33 |     private static int findMin(int[] count){
34 |         int min = Integer.MAX_VALUE;
35 |         for(int i = 0; i < count.length; i++){
36 |             int minVal = count[i];
37 |             if (minVal < min){
38 |                 min = minVal;
39 |             }
40 |         }return min;
41 |     }
42 | 
43 | }
44 | 


--------------------------------------------------------------------------------
/Array/ReverseArray.java:
--------------------------------------------------------------------------------
 1 | package Array;
 2 | 
 3 | public class ReverseArray {
 4 |     public static void reverse(int[] array){
 5 |         int maxIndex = array.length - 1;
 6 |         int halfLength = array.length / 2;
 7 |         for (int i = 0; i < halfLength; i++){
 8 |             int temp = array[i];
 9 |             array[i] = array[maxIndex - i];
10 |             array[maxIndex - i] = temp;
11 |         }
12 |     }
13 | }
14 | 


--------------------------------------------------------------------------------
/Array/SortedArray.java:
--------------------------------------------------------------------------------
 1 | package Array;
 2 | 
 3 | import java.util.Scanner;
 4 | 
 5 | public class SortedArray {
 6 |     private static final Scanner scanner = new Scanner(System.in);
 7 | 
 8 |     public static int[] getIntegers(int number){
 9 |         int[] array = new int[number];
10 |         System.out.println("Enter " + number + "values: \r");
11 |         for (int i = 0; i < array.length; i++){
12 |             array[i] = scanner.nextInt();
13 |         }
14 |         return array;
15 |     }
16 | 
17 |     public static void printArray(int[] array){
18 |         for(int i = 0; i < array.length; i++){
19 |             System.out.println("Element " + i + " contents " + array[i]);
20 |         }
21 |     }
22 | 
23 |     public static int[] sortIntegers(int[] array){
24 |         int temp;
25 |         for (int i = 0; i < array.length; i++){
26 |             for (int j = i + 1; j < array.length; j++){
27 |                 if(array[i] < array[j]){
28 |                         temp = array[i];
29 |                         array[i] = array[j];
30 |                         array[j] = temp;
31 |                 }
32 |             }
33 |         }
34 |         return array;
35 |     }
36 | 
37 |     public static void main(String[] args) {
38 | //        getIntegers(8);
39 | //        sortIntegers(getIntegers(8));
40 |         printArray(sortIntegers(getIntegers(8)));
41 |     }
42 | 
43 | }
44 | 


--------------------------------------------------------------------------------
/Array/VarArgs.java:
--------------------------------------------------------------------------------
 1 | package Array;
 2 | 
 3 | public class VarArgs {
 4 |     public static void main(String... args) {
 5 |         System.out.println("Hello World again");
 6 | 
 7 |         String[] splitStrings = "Hello World again".split(" ");
 8 |         printText(splitStrings);
 9 | 
10 |         System.out.println("_".repeat(20));
11 |         printText("Hello", "World", "again");
12 | 
13 |         System.out.println("_".repeat(20));
14 |         printText("Hello");
15 | 
16 |         System.out.println("_".repeat(20));
17 |         printText("Hello, World");
18 | 
19 |         String[] sArray =  {"first", "second", "third", "fourth", "fifth"};
20 |         System.out.println(String.join(", ", sArray));
21 | //        String[] splitStrings = new String[]{"Hello World again"};
22 | //        System.out.println(Arrays.toString(splitStrings));
23 |     }
24 | 
25 |     private static void printText(String... textList){
26 | 
27 |         for (String t : textList){
28 |             System.out.println(t);
29 |         }
30 |     }
31 | }
32 | 


--------------------------------------------------------------------------------
/ArrayList/DayOfTheWeek.java:
--------------------------------------------------------------------------------
1 | package org.example.ArrayList;
2 | 
3 | public enum DayOfTheWeek {
4 |     SUNDAY, MONDAY, TUESDAY, WEDNESDAY, THURSDAY, FRIDAY, SATURDAY
5 | }
6 | 


--------------------------------------------------------------------------------
/ArrayList/Emain.java:
--------------------------------------------------------------------------------
 1 | package org.example.ArrayList;
 2 | 
 3 | import java.util.Random;
 4 | 
 5 | public class Emain {
 6 |     public static void main(String[] args) {
 7 |         DayOfTheWeek weekDay = DayOfTheWeek.TUESDAY;
 8 |         System.out.println(weekDay);
 9 | 
10 |         for(int i = 0; i < 10; i++) {
11 |             weekDay = getRandomDay();
12 | 
13 | //            System.out.printf("Name is %s, Ordinal Value = %d%n", weekDay.name(), weekDay.ordinal());
14 | //            if(weekDay == DayOfTheWeek.SUNDAY){
15 | //                System.out.println("Found a Sunday!!!");
16 | //            }
17 |             switchDayOfWeek(weekDay);
18 |         }
19 |         
20 |     }
21 |     public static void switchDayOfWeek(DayOfTheWeek weekDay){
22 |         int weekDayInteger = weekDay.ordinal() + 1;
23 |         switch (weekDay){
24 |             case WEDNESDAY -> System.out.println("Wednesday is Day " + weekDayInteger);
25 |             case SATURDAY -> System.out.println("Saturday is Day " + weekDayInteger);
26 |             default -> System.out.println(weekDay.name().charAt(0) +
27 |                     weekDay.name().substring(1).toLowerCase() + "day is Day" + weekDayInteger);
28 |         }
29 |     }
30 | 
31 |     public static DayOfTheWeek getRandomDay(){
32 |         int randomInteger = new Random().nextInt(7);
33 |         var allDays = DayOfTheWeek.values();
34 | 
35 |         return allDays[randomInteger];
36 |     }
37 | }
38 | 


--------------------------------------------------------------------------------
/ArrayList/GroceryItem.java:
--------------------------------------------------------------------------------
 1 | package org.example.ArrayList;
 2 | 
 3 | record GroceryItem(String name, String type, int count) {
 4 |     public GroceryItem(String name) {
 5 |         this(name, "DAIRY", 1);
 6 |     }
 7 | 
 8 |     @Override
 9 |     public String toString() {
10 |         return String.format("%d %s in %s", count, name.toUpperCase(), type);
11 |     }
12 | }
13 | 


--------------------------------------------------------------------------------
/ArrayList/MobilePhoneBook/Contact.java:
--------------------------------------------------------------------------------
 1 | package org.example.ArrayList.MobilePhoneBook;
 2 | 
 3 | public class Contact {
 4 |     private String name;
 5 |     private String phoneNumber;
 6 | 
 7 |     public Contact(String name, String phoneNumber) {
 8 |         this.name = name;
 9 |         this.phoneNumber = phoneNumber;
10 |     }
11 | 
12 |     public String getName() {
13 |         return name;
14 |     }
15 | 
16 |     public String getPhoneNumber() {
17 |         return phoneNumber;
18 |     }
19 | 
20 |     public Contact createContact(String name, String phoneNumber){
21 |         return new Contact(name, phoneNumber);
22 |     }
23 | }
24 | 


--------------------------------------------------------------------------------
/ArrayList/PlayList/Song.java:
--------------------------------------------------------------------------------
 1 | package org.example.ArrayList.PlayList;
 2 | 
 3 | public class Song {
 4 |     private String title;
 5 |     private double duration;
 6 | 
 7 |     public Song(String title, double duration) {
 8 |         this.title = title;
 9 |         this.duration = duration;
10 |     }
11 | 
12 |     public String getTitle() {
13 |         return title;
14 |     }
15 | 
16 |     @Override
17 |     public String toString() {
18 |         return this.title + ": " + this.duration;
19 |     }
20 | }
21 | 


--------------------------------------------------------------------------------
/ArrayList/Topping.java:
--------------------------------------------------------------------------------
 1 | package org.example.ArrayList;
 2 | 
 3 | public enum Topping {
 4 |     MUSTARD,
 5 |     PICKLES,
 6 |     BACON,
 7 |     CHEDDAR,
 8 |     TOMATO;
 9 | 
10 |     public double getPrice(){
11 |         return switch (this){
12 |             case BACON -> 1.5;
13 |             case CHEDDAR -> 1.0;
14 |             default -> 0.0;
15 |         };
16 |     }
17 | }
18 | 


--------------------------------------------------------------------------------
/Banking_Model/pom.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project xmlns="http://maven.apache.org/POM/4.0.0"
 3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5 |     <modelVersion>4.0.0</modelVersion>
 6 | 
 7 |     <groupId>org.example</groupId>
 8 |     <artifactId>Banking_Model</artifactId>
 9 |     <version>1.0-SNAPSHOT</version>
10 | 
11 |     <properties>
12 |         <maven.compiler.source>17</maven.compiler.source>
13 |         <maven.compiler.target>17</maven.compiler.target>
14 |         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
15 |     </properties>
16 | 
17 | </project>


--------------------------------------------------------------------------------
/Banking_Model/src/main/java/org/example/Entity/AccountDetails.java:
--------------------------------------------------------------------------------
 1 | package org.example.Entity;
 2 | 
 3 | import java.math.BigDecimal;
 4 | import java.util.List;
 5 | 
 6 | public class AccountDetails {
 7 |     private BigDecimal accountBalance;
 8 |     private User customer; //composition
 9 |     private List<Transaction> transactions; //Aggregation
10 |     private Long accountNumber;
11 | 
12 |     public BigDecimal getAccountBalance() {
13 |         return accountBalance;
14 |     }
15 | 
16 |     public void setAccountBalance(BigDecimal accountBalance) {
17 |         this.accountBalance = accountBalance;
18 |     }
19 | 
20 |     public User getCustomer() {
21 |         return customer;
22 |     }
23 | 
24 |     public void setCustomer(User customer) {
25 |         this.customer = customer;
26 |     }
27 | 
28 |     public List<Transaction> getTransactions() {
29 |         return transactions;
30 |     }
31 | 
32 |     public void setTransactions(List<Transaction> transactions) {
33 |         this.transactions = transactions;
34 |     }
35 | 
36 |     public Long getAccountNumber() {
37 |         return accountNumber;
38 |     }
39 | 
40 |     public void setAccountNumber(Long accountNumber) {
41 |         this.accountNumber = accountNumber;
42 |     }
43 | }
44 | 


--------------------------------------------------------------------------------
/Banking_Model/src/main/java/org/example/Entity/Transaction.java:
--------------------------------------------------------------------------------
 1 | package org.example.Entity;
 2 | 
 3 | import org.example.Enum.TrascationType;
 4 | 
 5 | import java.math.BigDecimal;
 6 | 
 7 | public class Transaction {
 8 |     private BigDecimal amount;
 9 |     private TrascationType trascationType;
10 |     private String customer;
11 | 
12 |     public BigDecimal getAmount() {
13 |         return amount;
14 |     }
15 | 
16 |     public void setAmount(BigDecimal amount) {
17 |         this.amount = amount;
18 |     }
19 | 
20 |     public TrascationType getTrascationType() {
21 |         return trascationType;
22 |     }
23 | 
24 |     public void setTrascationType(TrascationType trascationType) {
25 |         this.trascationType = trascationType;
26 |     }
27 | 
28 |     public String getCustomer() {
29 |         return customer;
30 |     }
31 | 
32 |     public void setCustomer(String customer) {
33 |         this.customer = customer;
34 |     }
35 | }
36 | 


--------------------------------------------------------------------------------
/Banking_Model/src/main/java/org/example/Enum/Role.java:
--------------------------------------------------------------------------------
1 | package org.example.Enum;
2 | 
3 | public enum Role {
4 |     CUSTOMER, CASHIER
5 | }
6 | 


--------------------------------------------------------------------------------
/Banking_Model/src/main/java/org/example/Enum/TrascationType.java:
--------------------------------------------------------------------------------
 1 | package org.example.Enum;
 2 | 
 3 | public enum TrascationType {
 4 |     WITHDRAW, DEPOSIT
 5 | }
 6 | 
 7 | 
 8 | 
 9 | 
10 | 
11 | 
12 | 
13 | 
14 | 
15 | 
16 | 
17 | 
18 | 
19 | 
20 | 
21 | 
22 | 
23 | 
24 | 
25 | 
26 | 
27 | 
28 | 
29 | 
30 | 
31 | 
32 | 
33 | 
34 | 
35 | 
36 | 
37 | 
38 | 
39 | 
40 | 
41 | 
42 | 
43 | 
44 | 
45 | 
46 | 
47 | 
48 | 
49 | 
50 | 
51 | 
52 | 
53 | 
54 | 
55 | 
56 | 
57 | 
58 | 
59 | 
60 | 
61 | 
62 | 
63 | 
64 | 
65 | 
66 | 
67 | 
68 | 
69 | 
70 | 
71 | 
72 | 
73 | 
74 | 
75 | 
76 | 
77 | 
78 | 
79 | 
80 | 
81 | 
82 | 
83 | 
84 | 
85 | 
86 | 


--------------------------------------------------------------------------------
/Banking_Model/src/main/java/org/example/Main.java:
--------------------------------------------------------------------------------
 1 | package org.example;
 2 | 
 3 | import org.example.Entity.User;
 4 | import org.example.Enum.Role;
 5 | import org.example.ServiceImpl.TransactionServiceImpl;
 6 | 
 7 | import java.math.BigDecimal;
 8 | 
 9 | public class Main {
10 |     public static void main(String[] args) {
11 |         User accessBankCustomer = new User(Role.CUSTOMER);
12 |         User accessBankCashier = new User(Role.CASHIER);
13 |         TransactionServiceImpl transactionService = new TransactionServiceImpl();
14 |         transactionService.depositFunds(accessBankCashier, accessBankCustomer, new BigDecimal(10000));
15 |     }
16 | }


--------------------------------------------------------------------------------
/Banking_Model/src/main/java/org/example/Service/TransactionService.java:
--------------------------------------------------------------------------------
 1 | package org.example.Service;
 2 | 
 3 | import org.example.Entity.Transaction;
 4 | import org.example.Entity.User;
 5 | 
 6 | import java.math.BigDecimal;
 7 | 
 8 | public interface TransactionService {
 9 |     Transaction depositFunds (User cashier, User customer, BigDecimal cashDeposit);
10 | 
11 |     BigDecimal withdrawFunds (User cashier, User customer, BigDecimal cashDeposit);
12 | }
13 | 


--------------------------------------------------------------------------------
/Banking_Model/src/main/java/org/example/ServiceImpl/TransactionServiceImpl.java:
--------------------------------------------------------------------------------
 1 | package org.example.ServiceImpl;
 2 | 
 3 | import org.example.Entity.Transaction;
 4 | import org.example.Entity.User;
 5 | import org.example.Service.TransactionService;
 6 | 
 7 | import java.math.BigDecimal;
 8 | 
 9 | public class TransactionServiceImpl implements TransactionService {
10 |     @Override
11 |     public Transaction depositFunds(User cashier, User customer, BigDecimal cashDeposit) {
12 |         //Check customer if they are our customer
13 |         //Check if cashDeposit within transaction limit
14 |         //Deposit to account
15 |         //Update Account Detail
16 |         //Create transaction object
17 |         //Storing transaction object
18 |         //Returning transaction object
19 |         return null;
20 |     }
21 | 
22 |     @Override
23 |     public BigDecimal withdrawFunds(User cashier, User customer, BigDecimal expectedCash) {
24 |         //Check customer if they exist in our system
25 |         //Check withdrawal limit against expectation
26 |         //Withdraw funds from account Details
27 |         //Update accountDetail balance
28 |         //Storing transaction object
29 |         //return funds
30 |         //return transaction Update
31 |         return null;
32 |     }
33 | }
34 | 


--------------------------------------------------------------------------------
/Banking_Model/src/main/main.iml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <module type="JAVA_MODULE" version="4">
 3 |   <component name="NewModuleRootManager" inherit-compiler-output="true">
 4 |     <exclude-output />
 5 |     <content url="file://$MODULE_DIR$">
 6 |       <sourceFolder url="file://$MODULE_DIR$/java" isTestSource="false" />
 7 |     </content>
 8 |     <orderEntry type="inheritedJdk" />
 9 |     <orderEntry type="sourceFolder" forTests="false" />
10 |   </component>
11 | </module>


--------------------------------------------------------------------------------
/Collection_FrameWork/Generics.java:
--------------------------------------------------------------------------------
1 | package Collection_FrameWork;
2 | 
3 | public interface Generics<T, G> {
4 |     T save(T t, G g);
5 | }
6 | 


--------------------------------------------------------------------------------
/Collection_FrameWork/NameComparators.java:
--------------------------------------------------------------------------------
 1 | package Collection_FrameWork;
 2 | 
 3 | import java.util.Comparator;
 4 | 
 5 | public class NameComparators implements Comparator {
 6 |     @Override
 7 |     public int compare(Object o1, Object o2) {
 8 |         Student s1 = (Student) o1;
 9 |         Student s2 = (Student) o2;
10 | 
11 |         return s1.name.compareTo(s2.name);
12 |     }
13 | }
14 | 


--------------------------------------------------------------------------------
/Collection_FrameWork/Person.java:
--------------------------------------------------------------------------------
 1 | package Collection_FrameWork;
 2 | 
 3 | public class Person {
 4 |     private String name;
 5 |     private int age;
 6 | 
 7 |     public String getName() {
 8 |         return name;
 9 |     }
10 | 
11 |     public void setName(String name) {
12 |         this.name = name;
13 |     }
14 | 
15 |     public int getAge() {
16 |         return age;
17 |     }
18 | 
19 |     public void setAge(int age) {
20 |         this.age = age;
21 |     }
22 |     public static int compare(int x, int y){
23 |         //return (Integer.compare(x, y));
24 |         //return (x < y ? -1 : (x == y ? 0 : 1));
25 | 
26 |         if (x<y){
27 |             return -1;
28 |         }else if (x>y){
29 |             return 1;
30 |         }return 0;
31 |     }
32 | }
33 | 


--------------------------------------------------------------------------------
/Collection_FrameWork/Student.java:
--------------------------------------------------------------------------------
 1 | package Collection_FrameWork;
 2 | 
 3 | public class Student {
 4 |     String name;
 5 |     int age;
 6 | 
 7 |     public Student(String name, int age) {
 8 |         this.name = name;
 9 |         this.age = age;
10 |     }
11 | 
12 | 
13 | }
14 | 


--------------------------------------------------------------------------------
/Collection_FrameWork/TestingGenerics.java:
--------------------------------------------------------------------------------
 1 | package Collection_FrameWork;
 2 | 
 3 | public class TestingGenerics implements Generics<Person, String>{
 4 | 
 5 |     @Override
 6 |     public Person save(Person person, String s) {
 7 |         return null;
 8 |     }
 9 | }
10 | 


--------------------------------------------------------------------------------
/Control_flow/FirstAndLastDigitSum.java:
--------------------------------------------------------------------------------
 1 | public class FirstAndLastDigitSum{
 2 | 
 3 |     public static int sumFirstAndLastDigit(int number){
 4 |         if (number < 0){
 5 |             return -1;
 6 |         }
 7 |         //int firstDigit = 0;
 8 |         int lastDigit = number % 10;
 9 |         while (number > 9){
10 |             number /= 10;
11 |         }
12 |         return lastDigit + number;
13 |     }
14 | }
15 | 


--------------------------------------------------------------------------------
/Control_flow/IfStatment.java:
--------------------------------------------------------------------------------
 1 | public class IfStatment {
 2 |     public static void main(String[] arg){
 3 | 
 4 |         boolean gameOver = true;
 5 |         int score = 10000;
 6 |         int levelCompleted = 8;
 7 |         int bonus = 200;
 8 |         int finalScore = score;
 9 | 
10 |         if(gameOver == true){
11 |             finalScore += (levelCompleted * bonus);
12 |             System.out.println("Your final score is " + finalScore);
13 |         }
14 |     }
15 | }
16 | 


--------------------------------------------------------------------------------
/Control_flow/IntEqualityPrinter.java:
--------------------------------------------------------------------------------
 1 | public class IntEqualityPrinter {
 2 |     public static void printEqual(int x, int y, int z){
 3 |         if ((x < 0) || (y < 0) || (z < 0)){
 4 |             System.out.println("Invalid Value");
 5 |         }
 6 |         else if ((x == y) && (x == z)){
 7 |             System.out.println("All numbers are equal");
 8 |         }
 9 |         else if ((x != y) && (y != z) && (x != z)){
10 |             System.out.println("All numbers are different");
11 |         }
12 |         else{
13 |             System.out.println("Neither all are equal or different");
14 |         }
15 |     }
16 | 
17 |     public static void main(String[] arg){
18 |         printEqual(1, 1, 2);
19 |     }
20 | }
21 | 


--------------------------------------------------------------------------------
/Control_flow/Number_in_word.java:
--------------------------------------------------------------------------------
 1 | public class Number_in_word{
 2 |     public static void printNumberInWord(int wholeNumber){
 3 |         String numbers_in_word = switch (wholeNumber){
 4 |             case 0 -> "ZERO";
 5 |             case 1 -> "ONE";
 6 |             case 2 -> "TWO";
 7 |             case 3 -> "THREE";
 8 |             case 4 -> "FOUR";
 9 |             case 5 -> "FIVE";
10 |             case 6 -> "Six";
11 |             case 7 -> "SEVEN";
12 |             case 8 -> "EIGHT";
13 |             case 9 -> "NINE";
14 |             default -> "OTHER";
15 |         };
16 |         System.out.println(numbers_in_word);
17 |     }
18 |     public static void main(String[] arg){
19 |         printNumberInWords(1);
20 |     }
21 |     public static void printNumberInWords(int num){
22 |         String word="OTHER";
23 |         switch (num){
24 |             case 0: word="ZERO";break;
25 |             case 1: word="ONE";break;
26 |             case 2: word="TWO";break;
27 |             case 3: word="THREE";break;
28 |             case 4: word="FOUR";break;
29 |             case 5: word="FIVE";break;
30 |             case 6: word="SIX";break;
31 |             case 7: word="SEVEN";break;
32 |             case 8: word="EIGHT";break;
33 |             case 9: word="NINE";break;
34 |         }
35 |         System.out.println(word);
36 |     }
37 | }
38 | 


--------------------------------------------------------------------------------
/Control_flow/Palindrome.java:
--------------------------------------------------------------------------------
 1 | public class isPalindrome {
 2 |     public static boolean isPalindrome(int number){
 3 |         if (number < 0){
 4 |             number *= -1;
 5 |         }
 6 |         int reverse = 0;
 7 |         int stored = number;
 8 | 
 9 |         while (stored > 0){
10 |             /* Extract the least- significant digit */
11 |             int digit = stored % 10;
12 |             reverse = (reverse * 10) + digit;
13 |             /* Drop the least-significant digit */
14 |             stored /= 10;
15 |         }
16 |         if (number == reverse){
17 |             return true;
18 |         }
19 |         return false;
20 |     }
21 |     public static void main(String[] args){
22 |         System.out.println(isPalindrome(707));
23 |     }
24 | }
25 | 


--------------------------------------------------------------------------------
/Control_flow/Shared_Digit.java:
--------------------------------------------------------------------------------
 1 | public class Shared_Digit{
 2 | 
 3 |     public static boolean hasSharedDigit(int num1, int num2){
 4 |         if ((num1 < 10 || num1 > 99) || (num2 < 10 || num2 > 100)){
 5 |             return false;
 6 |         }
 7 |         return ((num1/10 == num2/10) || (num1/10 == num2 % 10) ||
 8 |                 (num2/10 == num1 % 10) || num1 % 10 == num2 % 10);
 9 |     }
10 |     public static void main(String[] args){
11 |         System.out.println(hasSharedDigit(15, 55));
12 |     }
13 | }
14 | 
15 |     /*Shared Digit
16 |     Write a method named hasSharedDigit with two parameters of type int.
17 | 
18 |         Each number should be within the range of 10 (inclusive) - 99 (inclusive). If one of the numbers is not within the range, the method should return false.
19 | 
20 |         The method should return true if there is a digit that appears in both numbers, such as 2 in 12 and 23; otherwise, the method should return false.
21 | 
22 | 
23 | 
24 |         EXAMPLE INPUT/OUTPUT:
25 | 
26 |         hasSharedDigit(12, 23); → should return true since the digit 2 appears in both numbers
27 | 
28 |         hasSharedDigit(9, 99); → should return false since 9 is not within the range of 10-99
29 | 
30 |         hasSharedDigit(15, 55); → should return true since the digit 5 appears in both numbers
31 | 
32 | 
33 | 
34 |         NOTE: The method hasSharedDigit​ should be defined as public static like we have been doing so far in the course.
35 | 
36 |         NOTE: Do not add a main method to the solution code.*/
37 | 


--------------------------------------------------------------------------------
/Control_flow/Sum3And5Challenge.java:
--------------------------------------------------------------------------------
 1 | public class Main{
 2 |     public static void main(String[] arg){
 3 |         /*int count = 0;
 4 |         for(int num = 1; count < 5 && num <= 1000; num++){
 5 |             if ((num % 3 == 0) && (num % 5 == 0)){
 6 |                 int sum = num + num;
 7 |                 count++;
 8 | 
 9 |                 System.out.println(sum);
10 |             }
11 |         }*/
12 |         Sum3And5Challenge(0, 0);
13 |     }
14 |     public static void Sum3And5Challenge(int countOfMatch, int sumOfMatches){
15 |         //countOfMatch = 0;
16 |         //sumOfMatches = 0;
17 |         for(int loopNumber = 1; countOfMatch < 5 && loopNumber <= 1000; loopNumber++){
18 |             if ((loopNumber % 3 == 0) && (loopNumber % 5 == 0)){
19 |                 countOfMatch++;
20 |                 sumOfMatches += loopNumber;
21 |                 System.out.println("Found a match = " + loopNumber);
22 |             }
23 |         }
24 |         System.out.println("Sum = " + sumOfMatches);
25 |     }
26 | }
27 | 


--------------------------------------------------------------------------------
/Control_flow/SwitchStatment.java:
--------------------------------------------------------------------------------
 1 | public class Main{
 2 | 
 3 |     public static void main(String[] arg){
 4 | 
 5 |         int switchValue = 5;
 6 |         switch (switchValue) {
 7 |             case 1 -> System.out.println("Value was 1");
 8 |             case 2 -> System.out.println("Value was 2");
 9 |             case 3, 4, 5 -> {
10 |                 System.out.println("Value was a 3, a 4, or a 5");
11 |                 System.out.println("Actually it was a " + switchValue);
12 |             }
13 |             default -> System.out.println("was not 1, 2, 3, 4, or 5");
14 |         }
15 |         String month = "XYZ";
16 |         System.out.println(month + " is in the " + getQuarter(month) + " quarter");
17 |     }
18 |     public static String getQuarter(String month){
19 |         return switch (month) {
20 |             case "JANUARY", "FEBRUARY", "MARCH" -> {yield "1st"; }
21 |             case "APRIL", "MAY", "JUNE" -> "2nd";
22 |             case "JULY", "AUGUST", "SEPTEMBER" -> "3rd";
23 |             case "OCTOBER", "NOVEMBER", "DECEMBER" -> "4th";
24 |             default -> {
25 |                 String badResponse = month + " is bad";
26 |                 yield badResponse;
27 |             }
28 |         };
29 |     }
30 | }
31 | 


--------------------------------------------------------------------------------
/Control_flow/The_loop.java:
--------------------------------------------------------------------------------
 1 | public class The_Loop {
 2 |     public static void main(String[] args){
 3 | 
 4 |         for (int i = 1; i <= 5; i++){
 5 |             System.out.println(i);
 6 |         }
 7 | 
 8 |         int j = 1;
 9 |         while (j <= 5){
10 |             System.out.println(j);
11 |             j++;
12 |         }
13 | 
14 |         int m = 1;
15 |         while (true){
16 |             if (m <= 5){
17 |                 break;
18 |             }System.out.println(m);
19 |             m++;
20 |         }
21 | 
22 |         int mk = 1;
23 |         boolean isReady = false;
24 |         while (isReady){
25 |             if (mk <= 5){
26 |                 break;
27 |             }System.out.println(mk);
28 |             mk++;
29 |         }
30 | 
31 |         int mkq = 1;
32 |         boolean isReadyh = false;
33 |         do {
34 |             if (mkq > 5){
35 |                 break;
36 |             }System.out.println(mkq);
37 |             mkq++;
38 |             isReadyh = (mkq > 0);
39 |         }while (isReadyh);
40 | 
41 |         int num = 0;
42 |         while (num < 50){
43 |             num += 5;
44 |             if (num % 25 == 0){
45 |                 continue;
46 |             }
47 |             System.out.print(num + "_");
48 |         }
49 |     }
50 | }
51 | 


--------------------------------------------------------------------------------
/Control_flow/getEvenDigitSum.java:
--------------------------------------------------------------------------------
 1 |     /*Even Digit Sum
 2 |         Write a method named getEvenDigitSum with one parameter of type int called number.
 3 | 
 4 |         The method should return the sum of the even digits within the number.
 5 | 
 6 |         If the number is negative, the method should return -1 to indicate an invalid value.
 7 | 
 8 | 
 9 | 
10 |         EXAMPLE INPUT/OUTPUT:
11 | 
12 |         getEvenDigitSum(123456789); → should return 20 since 2 + 4 + 6 + 8 = 20
13 | 
14 |         getEvenDigitSum(252); → should return 4 since 2 + 2 = 4
15 | 
16 |         getEvenDigitSum(-22); → should return -1 since the number is negative
17 | 
18 | 
19 | 
20 |         NOTE: The method getEvenDigitSum ​should be defined as public static like we have been doing so far in the course.
21 | 
22 |         NOTE: Do not add a main method to the solution code.*/
23 | 
24 | public class getEvenDigitSum{
25 | 
26 |     public static int getEvenDigitSum(int number){
27 |         if (number < 0){
28 |             return -1;
29 |         }
30 |         int sumEvenDigit = 0;
31 |         while (number > 0){
32 |             if (number % 2 == 0){
33 |                 sumEvenDigit += number % 10;
34 |             }
35 |             number /= 10;
36 |         }
37 |         return sumEvenDigit;
38 |     }
39 |     public static void main(String[] args){
40 |         getEvenDigitSum(123456789);
41 |     }
42 | }
43 | 


--------------------------------------------------------------------------------
/Control_flow/inputAndOutput.java:
--------------------------------------------------------------------------------
 1 | import java.util.Scanner;
 2 | 
 3 | public class Main {
 4 | 
 5 |     public static void main(String[] args){
 6 |         Scanner scanner = new Scanner(System.in);
 7 |         int counter = 1;
 8 |         double sum = 0;
 9 | 
10 |         while (counter <= 5){
11 |             System.out.println("Enter number #" + counter + ":");
12 |             String nextNumber = scanner.nextLine();
13 |             try {
14 |                 //int number = Integer.parseInt(nextNumber);
15 |                 double number = Double.parseDouble(nextNumber);
16 |                 counter++;
17 |                 sum += number;
18 |             }catch(NumberFormatException nfe){
19 |                 System.out.println("Invalid number");
20 |             }
21 |         }
22 |         System.out.println("The sum of the 5 numbers = " + sum);
23 |     }
24 | }
25 | 


--------------------------------------------------------------------------------
/Control_flow/isLeapYear.java:
--------------------------------------------------------------------------------
 1 | public class isLeapYear {
 2 |     /* METHOD 1
 3 | public static boolean isLeapYear(int year){
 4 |     if (year >= 1 && year <= 9999) {
 5 |         if ((year % 400 == 0) || (year % 100 != 0 && year % 4 == 0)) {
 6 |             return true;
 7 |         } else {
 8 |             return false;
 9 |         }
10 |     }
11 |     return false;
12 | }*/
13 |     public static void main(String[] arg){
14 |         System.out.println(isLeapYear(-1600));
15 |     }
16 | 
17 |     /* METHOD 2*/
18 |     public static boolean isLeapYear(int year){
19 |         if (year >= 1 && year <= 9999) {
20 |             if ((year % 4 == 0) && (year % 100 == 0) && (year % 400 == 0)) {
21 |                 return true;
22 |             } else if ((year % 4 == 0) && (year % 100 != 0)) {
23 |                 return true;
24 |             } else {
25 |                 return false;
26 |             }
27 |         }else{
28 |             return false;
29 |         }
30 |     }
31 | }
32 | 


--------------------------------------------------------------------------------
/Control_flow/sumOdd.java:
--------------------------------------------------------------------------------
 1 |     public static boolean isOdd(int number){
 2 |         if (number <= 0){
 3 |             return false;
 4 |         }
 5 | 
 6 |         return (number % 2 != 0);
 7 | 
 8 |     }
 9 |     public static int sumOdd(int start, int end){
10 |         if ((end < start) || (start < 0) || (end < 0)){
11 | 
12 |             return -1;
13 |         }
14 |         int sum = 0;
15 |         for (int i = start; i <= end; i++){
16 |             if (isOdd(i)){
17 |                 sum +=i;
18 |             }
19 |         }
20 |         return sum;
21 |     }
22 | 


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/FaceBook_Clone_Group_project/src/main/java/com/facebook/clone/weeksixtask/DAO/PostDAO.java:
--------------------------------------------------------------------------------
1 | package com.facebook.clone.weeksixtask.DAO;
2 | 
3 | public class PostDAO {
4 | 
5 | }
6 | 


--------------------------------------------------------------------------------
/FaceBook_Clone_Group_project/src/main/java/com/facebook/clone/weeksixtask/DAO/UserDAO.java:
--------------------------------------------------------------------------------
 1 | package com.facebook.clone.weeksixtask.DAO;
 2 | 
 3 | import com.facebook.clone.weeksixtask.Model.User;
 4 | 
 5 | import java.sql.Connection;
 6 | import java.sql.DriverManager;
 7 | import java.sql.SQLException;
 8 | 
 9 | public class UserDAO {
10 |     private Connection connection;
11 | 
12 |     private void ConnectToDB() throws SQLException {
13 |         connection= DriverManager.getConnection("jdbc:mysql://localhost:3306/mydb", "root","11111111");
14 |     }
15 |     public void saveUserData(User user){
16 |         //String password = BCrypt.hashpw(userDTO.getPassword(), BCrypt.gensalt());
17 |         String query =  "INSERT INTO";
18 |     }
19 | }
20 | 


--------------------------------------------------------------------------------
/FaceBook_Clone_Group_project/src/main/java/com/facebook/clone/weeksixtask/DT0/UserDTO.java:
--------------------------------------------------------------------------------
 1 | package com.facebook.clone.weeksixtask.DT0;
 2 | 
 3 | import com.facebook.clone.weeksixtask.Model.User;
 4 | import lombok.AllArgsConstructor;
 5 | import lombok.Builder;
 6 | import lombok.Data;
 7 | 
 8 | import java.sql.ResultSet;
 9 | import java.sql.SQLException;
10 | import java.sql.Statement;
11 | 
12 | @Data
13 | @AllArgsConstructor
14 | @Builder
15 | public class UserDTO {
16 |     private String fullname;
17 |     private String sex;
18 |     private String dob;
19 |     private String email;
20 |     private int userId;
21 | 
22 |     public UserDTO(User user){
23 |         this.fullname= user.getFullname();
24 |         this.sex=user.getSex();
25 |         this.dob=user.getDob();
26 |         this.email=user.getEmail();
27 |     }
28 | 
29 |     public  UserDTO(ResultSet resultSet1) throws SQLException {
30 |         String cmd = "INSERT INTO facebook_clone.users (fullname,sex,)";
31 |     }
32 | }
33 | 
34 | 
35 | 


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/FaceBook_Clone_Group_project/src/main/java/com/facebook/clone/weeksixtask/HelloServlet.java:
--------------------------------------------------------------------------------
 1 | package com.facebook.clone.weeksixtask;
 2 | 
 3 | import java.io.*;
 4 | 
 5 | import jakarta.servlet.http.*;
 6 | import jakarta.servlet.annotation.*;
 7 | 
 8 | @WebServlet(name = "helloServlet", value = "/hello-servlet")
 9 | public class HelloServlet extends HttpServlet {
10 |     private String message;
11 | 
12 |     public void init() {
13 |         message = "Hello World!";
14 |     }
15 | 
16 |     public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
17 | //        response.setContentType("text/html");
18 | //
19 | //        // Hello
20 | //        PrintWriter out = response.getWriter();
21 | //        out.println("<html><body>");
22 | //        out.println("<h1>" + message + "</h1>");
23 | //        out.println("</body></html>");
24 |         response.sendRedirect("home");
25 |     }
26 | 
27 |     public void destroy() {
28 |     }
29 | }


--------------------------------------------------------------------------------
/FaceBook_Clone_Group_project/src/main/java/com/facebook/clone/weeksixtask/Model/Post.java:
--------------------------------------------------------------------------------
 1 | package com.facebook.clone.weeksixtask.Model;
 2 | 
 3 | 
 4 | import lombok.AllArgsConstructor;
 5 | import lombok.Builder;
 6 | import lombok.Data;
 7 | 
 8 | @Data
 9 | @AllArgsConstructor
10 | @Builder
11 | public class Post {
12 |     private int postCommentId;
13 |     private String content;
14 |     private String contentType;
15 |     private  int parent_id;
16 |     private int likes;
17 |     private String likedBY;
18 |     private  String date_created;
19 | }
20 | 


--------------------------------------------------------------------------------
/FaceBook_Clone_Group_project/src/main/java/com/facebook/clone/weeksixtask/Model/User.java:
--------------------------------------------------------------------------------
 1 | package com.facebook.clone.weeksixtask.Model;
 2 | 
 3 | import lombok.AllArgsConstructor;
 4 | import lombok.Builder;
 5 | import lombok.Data;
 6 | 
 7 | @Data
 8 | @AllArgsConstructor
 9 | @Builder
10 | public class User {
11 |     private String fullname;
12 |     private String sex;
13 |     private String dob;
14 |     private String email;
15 | }
16 | 


--------------------------------------------------------------------------------
/FaceBook_Clone_Group_project/src/main/java/com/facebook/clone/weeksixtask/NewUser.java:
--------------------------------------------------------------------------------
 1 | package com.facebook.clone.weeksixtask;
 2 | 
 3 | import jakarta.servlet.ServletException;
 4 | import jakarta.servlet.annotation.WebServlet;
 5 | import jakarta.servlet.http.HttpServlet;
 6 | import jakarta.servlet.http.HttpServletRequest;
 7 | import jakarta.servlet.http.HttpServletResponse;
 8 | 
 9 | import java.io.IOException;
10 | import java.io.PrintWriter;
11 | 
12 | @WebServlet("/new_user/account")
13 | public class NewUser extends HttpServlet {
14 |     @Override
15 |     protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
16 |         String name = req.getParameter("first_name") + "  "+ req.getParameter("last_name");
17 |         String age =  req.getParameter("dob");
18 |         String sex = req.getParameter("gender");
19 |         String email = req.getParameter("email");
20 |         String password = req.getParameter("pw");
21 | 
22 |         PrintWriter out = resp.getWriter();
23 |         out.println(name);
24 |         out.println(age);
25 |         out.println(sex);
26 |         out.println(email);
27 |         out.println(password);
28 | 
29 |     }
30 | }
31 | 


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/FaceBook_Clone_Group_project/src/main/resources/META-INF/beans.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <beans xmlns="https://jakarta.ee/xml/ns/jakartaee"
3 |        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4 |        xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/beans_3_0.xsd"
5 |        bean-discovery-mode="annotated">
6 | 
7 | </beans>


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/FaceBook_Clone_Group_project/src/main/resources/META-INF/persistence.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 2 | <persistence xmlns="https://jakarta.ee/xml/ns/persistence"
 3 |              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |              xsi:schemaLocation="https://jakarta.ee/xml/ns/persistence https://jakarta.ee/xml/ns/persistence/persistence_3_0.xsd"
 5 |              version="3.0">
 6 |     <persistence-unit name="default">
 7 | 
 8 |     </persistence-unit>
 9 | </persistence>
10 | 


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/FaceBook_Clone_Group_project/src/main/webapp/WEB-INF/web.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <web-app xmlns="https://jakarta.ee/xml/ns/jakartaee"
3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4 |          xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/web-app_5_0.xsd"
5 |          version="5.0">
6 | </web-app>


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/FaceBook_Clone_Group_project/src/main/webapp/home.jsp:
--------------------------------------------------------------------------------
 1 | <%--
 2 |   Created by IntelliJ IDEA.
 3 |   User: dea
 4 |   Date: 7/27/23
 5 |   Time: 3:41 AM
 6 |   To change this template use File | Settings | File Templates.
 7 | --%>
 8 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
 9 | <html>
10 | <head>
11 |     <title>Title</title>
12 | </head>
13 | <body>
14 |     <h1>This is the home page</h1>
15 | </body>
16 | </html>
17 | 


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/FaceBook_Clone_Group_project/src/main/webapp/index.jsp:
--------------------------------------------------------------------------------
 1 | <%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
 2 | <!DOCTYPE html>
 3 | <html>
 4 | <head>
 5 |     <title>JSP - Hello World</title>
 6 | </head>
 7 | <body>
 8 | <h1><%= "Hello World!" %>
 9 | </h1>
10 | <br/>
11 | <a href="hello-servlet">Hello Servlet</a>
12 | </body>
13 | </html>


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/FaceBook_Clone_Group_project/src/main/webapp/script.js:
--------------------------------------------------------------------------------
 1 | $(document).ready(()=>{
 2 |     $("#new-account").click(()=>{
 3 |         $("#container-2").fadeIn(400);
 4 |     });
 5 | 
 6 |     $("#back-to-login").click(()=>{
 7 |         $("#container-2").fadeOut(400);
 8 |     });
 9 |     $("#new-post").click(()=>{
10 |         $("#post").fadeIn(500);
11 |         $("#new-post").hide();
12 |         $("#save-post").fadeIn(600);
13 |     });
14 | });


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/FaceBook_Clone_Group_project/target/WeekSixTask-1.0-SNAPSHOT/META-INF/MANIFEST.MF:
--------------------------------------------------------------------------------
1 | Manifest-Version: 1.0
2 | Created-By: IntelliJ IDEA
3 | Built-By: dea
4 | Build-Jdk: Oracle OpenJDK version 20.0.1
5 | 
6 | 


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/FaceBook_Clone_Group_project/target/WeekSixTask-1.0-SNAPSHOT/WEB-INF/classes/META-INF/beans.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <beans xmlns="https://jakarta.ee/xml/ns/jakartaee"
3 |        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4 |        xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/beans_3_0.xsd"
5 |        bean-discovery-mode="annotated">
6 | 
7 | </beans>


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/FaceBook_Clone_Group_project/target/WeekSixTask-1.0-SNAPSHOT/WEB-INF/classes/META-INF/persistence.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 2 | <persistence xmlns="https://jakarta.ee/xml/ns/persistence"
 3 |              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |              xsi:schemaLocation="https://jakarta.ee/xml/ns/persistence https://jakarta.ee/xml/ns/persistence/persistence_3_0.xsd"
 5 |              version="3.0">
 6 |     <persistence-unit name="default">
 7 | 
 8 |     </persistence-unit>
 9 | </persistence>
10 | 


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/FaceBook_Clone_Group_project/target/WeekSixTask-1.0-SNAPSHOT/WEB-INF/lib/lombok-1.18.28.jar:
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/FaceBook_Clone_Group_project/target/WeekSixTask-1.0-SNAPSHOT/WEB-INF/web.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <web-app xmlns="https://jakarta.ee/xml/ns/jakartaee"
3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4 |          xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/web-app_5_0.xsd"
5 |          version="5.0">
6 | </web-app>


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/FaceBook_Clone_Group_project/target/WeekSixTask-1.0-SNAPSHOT/home.jsp:
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 1 | <%--
 2 |   Created by IntelliJ IDEA.
 3 |   User: dea
 4 |   Date: 7/27/23
 5 |   Time: 3:41 AM
 6 |   To change this template use File | Settings | File Templates.
 7 | --%>
 8 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
 9 | <html>
10 | <head>
11 |     <title>Title</title>
12 | </head>
13 | <body>
14 |     <h1>This is the home page</h1>
15 | </body>
16 | </html>
17 | 


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/FaceBook_Clone_Group_project/target/WeekSixTask-1.0-SNAPSHOT/index.jsp:
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 1 | <%@ page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
 2 | <!DOCTYPE html>
 3 | <html>
 4 | <head>
 5 |     <title>JSP - Hello World</title>
 6 | </head>
 7 | <body>
 8 | <h1><%= "Hello World!" %>
 9 | </h1>
10 | <br/>
11 | <a href="hello-servlet">Hello Servlet</a>
12 | </body>
13 | </html>


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/FaceBook_Clone_Group_project/target/WeekSixTask-1.0-SNAPSHOT/script.js:
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 1 | $(document).ready(()=>{
 2 |     $("#new-account").click(()=>{
 3 |         $("#container-2").fadeIn(400);
 4 |     });
 5 | 
 6 |     $("#back-to-login").click(()=>{
 7 |         $("#container-2").fadeOut(400);
 8 |     });
 9 |     $("#new-post").click(()=>{
10 |         $("#post").fadeIn(500);
11 |         $("#new-post").hide();
12 |         $("#save-post").fadeIn(600);
13 |     });
14 | });


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/FaceBook_Clone_Group_project/target/classes/META-INF/beans.xml:
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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <beans xmlns="https://jakarta.ee/xml/ns/jakartaee"
3 |        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4 |        xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/beans_3_0.xsd"
5 |        bean-discovery-mode="annotated">
6 | 
7 | </beans>


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/FaceBook_Clone_Group_project/target/classes/META-INF/persistence.xml:
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 1 | <?xml version="1.0" encoding="UTF-8" standalone="yes"?>
 2 | <persistence xmlns="https://jakarta.ee/xml/ns/persistence"
 3 |              xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |              xsi:schemaLocation="https://jakarta.ee/xml/ns/persistence https://jakarta.ee/xml/ns/persistence/persistence_3_0.xsd"
 5 |              version="3.0">
 6 |     <persistence-unit name="default">
 7 | 
 8 |     </persistence-unit>
 9 | </persistence>
10 | 


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/FaceBook_Clone_Group_project/target/classes/com/facebook/clone/weeksixtask/DAO/UserDAO.class:
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/FaceBook_Clone_Group_project/target/classes/com/facebook/clone/weeksixtask/DT0/UserDTO.class:
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/FaceBook_Clone_Group_project/target/classes/com/facebook/clone/weeksixtask/HelloServlet.class:
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/FaceBook_Clone_Group_project/target/classes/com/facebook/clone/weeksixtask/Model/User$UserBuilder.class:
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/FaceBook_Clone_Group_project/target/classes/com/facebook/clone/weeksixtask/Model/User.class:
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/FaceBook_Clone_Group_project/target/classes/com/facebook/clone/weeksixtask/NewUser.class:
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/Imperative/CallBacks/Lambdas.java:
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 1 | package org.example.Imperative.CallBacks;
 2 | 
 3 | import java.util.function.BiFunction;
 4 | import java.util.function.Function;
 5 | 
 6 | public class Lambdas {
 7 |     public static void main(String[] args) {
 8 |         Function<String, String> upperCaseName = name -> {
 9 |             if(name.isBlank()) throw new IllegalArgumentException("");
10 |             return name.toUpperCase();
11 |         };
12 | 
13 |         BiFunction<String, Integer, String> upperCaseName2 = (name, age )-> {
14 |             if(name.isBlank()) throw new IllegalArgumentException("");
15 |             System.out.println(age);
16 |             return name.toUpperCase();
17 |         };
18 | 
19 |         System.out.println( upperCaseName2.apply("Alex", 20));
20 |     }
21 | }
22 | 


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/Imperative/CallBacks/Main.java:
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 1 | package org.example.Imperative.CallBacks;
 2 | 
 3 | import java.util.function.Consumer;
 4 | 
 5 | public class Main {
 6 |     public static void main(String[] args) {
 7 |         hello("John", null, value -> System.out.println("no lastName provided for " + value));
 8 | 
 9 |         hello2("John", null, () -> System.out.println("no lastName provided"));
10 |     }
11 | 
12 |     static void hello(String firstName, String lastName, Consumer<String> callback){
13 |         System.out.println(firstName);
14 |         if (lastName != null){
15 |             System.out.println(lastName);
16 |         }else {callback.accept(firstName);}
17 |     }
18 | 
19 |     static void hello2(String firstName, String lastName, Runnable callback){
20 |         System.out.println(firstName);
21 |         if (lastName != null){
22 |             System.out.println(lastName);
23 |         }else {callback.run();}
24 |     }
25 | 
26 | }
27 | 


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/Imperative/CombinatorPattern/Customer.java:
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 1 | package org.example.Imperative.CombinatorPattern;
 2 | 
 3 | import java.time.LocalDate;
 4 | 
 5 | public class Customer {
 6 |     private final String name;
 7 |     private final String email;
 8 |     private final String phoneNumber;
 9 |     private final LocalDate dob;
10 | 
11 |     public Customer(String name, String email, String phoneNumber, LocalDate dob) {
12 |         this.name = name;
13 |         this.email = email;
14 |         this.phoneNumber = phoneNumber;
15 |         this.dob = dob;
16 |     }
17 | 
18 |     public String getName() {
19 |         return name;
20 |     }
21 | 
22 |     public String getEmail() {
23 |         return email;
24 |     }
25 | 
26 |     public String getPhoneNumber() {
27 |         return phoneNumber;
28 |     }
29 | 
30 |     public LocalDate getDob() {
31 |         return dob;
32 |     }
33 | }
34 | 


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/Imperative/CombinatorPattern/CustomerValidatorService.java:
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 1 | package org.example.Imperative.CombinatorPattern;
 2 | 
 3 | import java.time.LocalDate;
 4 | import java.time.Period;
 5 | 
 6 | public class CustomerValidatorService {
 7 |     private boolean isEmailValid(String email){
 8 |         return email.contains("@");
 9 |     }
10 | 
11 |     private boolean isPhoneNumberValid(String phoneNumber){
12 |         return phoneNumber.startsWith("+0");
13 |     }
14 | 
15 |     private boolean isAdultValid(LocalDate dob){
16 |         return Period.between(dob, LocalDate.now()).getYears() > 16;
17 |     }
18 | 
19 |     public boolean isValid(Customer customer){
20 |         return isEmailValid(customer.getEmail()) && isPhoneNumberValid(customer.getPhoneNumber())
21 |                 && isAdultValid(customer.getDob());
22 |     }
23 | }
24 | 


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/Imperative/CombinatorPattern/Main.java:
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 1 | package org.example.Imperative.CombinatorPattern;
 2 | 
 3 | import java.time.LocalDate;
 4 | 
 5 | import static org.example.Imperative.CombinatorPattern.CustomerRegistrationValidator.*;
 6 | import static org.example.Imperative.CombinatorPattern.CustomerRegistrationValidator.isAdult;
 7 | 
 8 | public class Main {
 9 |     public static void main(String[] args) {
10 |         Customer customer = new Customer("Innocent", "Innocent@gig.com", "+0817374744", LocalDate.of(2000, 1, 1));
11 | 
12 |         //System.out.println(new CustomerValidatorService().isValid(customer));
13 | 
14 |         ValidationResult result = isEmailValid().and(isPhoneNumberValid()).and(isAdult()).apply(customer);
15 | 
16 |         System.out.println(result);
17 | 
18 |         if (result != ValidationResult.SUCCESS) {
19 |             throw new IllegalStateException(result.name());
20 |         }
21 |     }
22 | 
23 | }
24 | 


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/Imperative/Functional_Interface/_Function.java:
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 1 | package org.example.Imperative.Functional_Interface;
 2 | 
 3 | import java.util.function.BiFunction;
 4 | import java.util.function.Function;
 5 | 
 6 | public class _Function {
 7 |     public static void main(String[] args) {
 8 |         System.out.println(increment(0));
 9 | 
10 |         int meme = incrementByOneFunction.apply(0);
11 |         System.out.println(meme);
12 | 
13 |         int multiply = multiplyBy10Function.apply(meme);
14 |         System.out.println(multiply);
15 | 
16 |         Function<Integer, Integer> addBy10 = incrementByOneFunction.andThen(multiplyBy10Function);
17 |         System.out.println(addBy10.apply(0));
18 | 
19 |         int res = incrementAndMultiply(4, 100);
20 |         System.out.println(res);
21 | 
22 |         System.out.println(incrementAndMul.apply(4, 100));
23 |     }
24 |     public static int increment(int number){
25 |         return number + 1;
26 |     }
27 | 
28 |     public static int incrementAndMultiply(int number, int mul){
29 |         return ((number + 1) *mul);
30 |     }
31 | 
32 |     static Function<Integer, Integer> multiplyBy10Function = number -> number * 10;
33 |     static Function<Integer, Integer> incrementByOneFunction = number -> number + 1;
34 |     static BiFunction<Integer, Integer, Integer> incrementAndMul = (num1, num2) -> (num1 + 1) * num2;
35 | }
36 | 


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/Imperative/Functional_Interface/_Predicate.java:
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 1 | package org.example.Imperative.Functional_Interface;
 2 | 
 3 | import java.util.function.Predicate;
 4 | 
 5 | public class _Predicate {
 6 |     static boolean isPhoneNumberValid(String phoneNumber){
 7 |         return phoneNumber.startsWith("07") && phoneNumber.length() == 11;
 8 |     }
 9 |     static Predicate<String> isPhoneNumberValidPredicate = phoneNumber -> phoneNumber.startsWith("09") && phoneNumber.length() == 11;
10 | 
11 |     //static BiPredicate<String>
12 | //    static boolean isPhoneNumberValid4(String phoneNumber, boolean checker){
13 | //        return phoneNumber.startsWith("09")
14 | //    }
15 | 
16 |     static Predicate<String> isPhoneNumberValid3 = phoneNumber -> phoneNumber.contains("3");
17 | 
18 |     public static void main(String[] args) {
19 |         System.out.println(isPhoneNumberValid("07000000"));
20 |         System.out.println(isPhoneNumberValid("0700000000"));
21 |         System.out.println(isPhoneNumberValid("07000000000"));
22 | 
23 |         System.out.println("-".repeat(30));
24 |         System.out.println(isPhoneNumberValidPredicate.test("09036812983"));
25 |         System.out.println(isPhoneNumberValidPredicate.test("07036812983"));
26 | 
27 |         System.out.println(isPhoneNumberValidPredicate.and(isPhoneNumberValid3).test("09036812983"));
28 |         System.out.println(isPhoneNumberValidPredicate.and(isPhoneNumberValid3).test("09000000003"));
29 | 
30 | 
31 |     }
32 | }
33 | 


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/Imperative/Functional_Interface/_Supplier.java:
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 1 | package org.example.Imperative.Functional_Interface;
 2 | 
 3 | import java.util.List;
 4 | import java.util.function.Supplier;
 5 | 
 6 | public class _Supplier {
 7 |     public static void main(String[] args) {
 8 |         System.out.println(getDBConnectionrl());
 9 | 
10 |         System.out.println(getDBConnectUrlSupplier.get());
11 |     }
12 |     static String getDBConnectionrl(){
13 |         return "jdbc://localhost:5432/users";
14 |     }
15 |     static Supplier<List<String>> getDBConnectUrlSupplier = () -> List.of("jdbc://localhost:5432/users\";\n");
16 | }
17 | 


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/Imperative/MondayClass.java:
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 1 | package org.example.Imperative;
 2 | 
 3 | import java.util.function.Function;
 4 | 
 5 | public class MondayClass {
 6 | 
 7 |     public static void main(String[] args) {
 8 | 
 9 |         // FUNCTIONAL PROGRAMMING
10 |         Function<String, String> printName = name -> "Hello, " + name;
11 |         Function<String, Integer> printStringLength = string -> string.length();
12 |         System.out.println(printName.apply("Innocent"));
13 |     }
14 | }
15 | 


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/Imperative/Optionals/Main.java:
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 1 | package org.example.Imperative.Optionals;
 2 | 
 3 | import java.util.Optional;
 4 | 
 5 | public class Main {
 6 |     public static void main(String[] args) {
 7 |         var value = Optional.ofNullable("Hello Innocent").orElseGet(() -> "default value");
 8 |         System.out.println(value);
 9 | 
10 |         System.out.println("-".repeat(30));
11 |         var value2 = Optional.ofNullable("Hello").orElseThrow(() -> new IllegalStateException("exception"));
12 |         System.out.println(value2);
13 | 
14 |         System.out.println("-".repeat(30));
15 |         //Optional.ofNullable("innocent@giglogistics.ng").isPresent(email -> System.out.println("Sending email to " + email));
16 | 
17 |         Optional.ofNullable("innocent@giglogistics.ng").ifPresentOrElse(email -> System.out.println("Sending email to " + email), () -> System.out.println("cannot send email"));
18 | 
19 |     }
20 | }
21 | 


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/InputOutput/Address.java:
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 1 | package InputOutput;
 2 | 
 3 | import java.io.Serializable;
 4 | 
 5 | public class Address implements Serializable {
 6 |     public String country;
 7 |     public String city;
 8 |     public String state;
 9 | 
10 | //    public Address(String country, String city, String state) {
11 | //        this.country = country;
12 | //        this.city = city;
13 | //        this.state = state;
14 | //    }
15 | //
16 | //    public Address() {
17 | //
18 | //    }
19 | }
20 | 


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/InputOutput/Employee.java:
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 1 | package InputOutput;
 2 | 
 3 | import java.io.Serializable;
 4 | 
 5 | public class Employee implements Serializable {
 6 |     String name;
 7 |     Address address;
 8 |     int id;
 9 | 
10 |     public Employee(String name, Address address, int id) {
11 |         this.name = name;
12 |         this.address = address;
13 |         this.id = id;
14 |     }
15 | 
16 |     public Employee() {
17 |     }
18 | }
19 | 
20 | 


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/InputOutput/User.java:
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 1 | package InputOutput;
 2 | 
 3 | import java.io.Serializable;
 4 | 
 5 | public class User implements Serializable {
 6 |     String username;
 7 |     transient String password;
 8 |     int id;
 9 | }
10 | 


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/Interfaces/Bird.java:
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 1 | package org.example.Interfaces;
 2 | 
 3 | public class Bird extends Animal implements FlightEnabled, Trackable{
 4 | 
 5 |     @Override
 6 |     public void move() {
 7 |         System.out.println("Flaps wings");
 8 |     }
 9 | 
10 |     @Override
11 |     public void takeoff() {
12 |         System.out.println(getClass().getSimpleName() + " is taking off");
13 |     }
14 | 
15 |     @Override
16 |     public void land() {
17 |         System.out.println(getClass().getSimpleName() + " is landing");
18 |     }
19 | 
20 |     @Override
21 |     public void fly() {
22 |         System.out.println(getClass().getSimpleName() + " is flying");
23 |     }
24 | 
25 |     @Override
26 |     public void track() {
27 |         System.out.println(getClass().getSimpleName() + " coordinates recorded");
28 |     }
29 | }
30 | 


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/Interfaces/DragonFly1.java:
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 1 | package org.example.Interfaces;
 2 | 
 3 | public class DragonFly1 implements Trackable, FlightEnabled{
 4 | 
 5 |     @Override
 6 |     public void takeoff() {
 7 |         System.out.println(getClass().getSimpleName() + " is taking off");
 8 |     }
 9 | 
10 |     @Override
11 |     public void land() {
12 |         System.out.println(getClass().getSimpleName() + " is landing");
13 |     }
14 | 
15 |     @Override
16 |     public void fly() {
17 |         System.out.println(getClass().getSimpleName() + " is flying");
18 |     }
19 | 
20 |     @Override
21 |     public void track() {
22 |         System.out.println(getClass().getSimpleName() + " coordinates recorded");
23 |     }
24 | }
25 | 


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/Interfaces/Interface_Challenge/Building.java:
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 1 | package org.example.Interfaces.Interface_Challenge;
 2 | 
 3 | import java.awt.*;
 4 | 
 5 | enum UsageType {ENTERTAINMENT, GOVERNMENT, RESIDENTIAL, SPORTS}
 6 | public class Building implements Mappable {
 7 |     private String name;
 8 |     private UsageType usage;
 9 | 
10 |     public Building(String name, UsageType usage) {
11 |         this.name = name;
12 |         this.usage = usage;
13 |     }
14 | 
15 |     @Override
16 |     public String getLable() {
17 |         return name + " (" + usage + ")";
18 |     }
19 | 
20 |     @Override
21 |     public Geometry getShape() {
22 |         return Geometry.POINT;
23 |     }
24 | 
25 |     @Override
26 |     public String getMarker() {
27 |         return switch (usage){
28 |             case ENTERTAINMENT -> Color.GREEN + " " + PointMarker.TRIANGLE;
29 |             case GOVERNMENT -> Color.RED + " " + PointMarker.STAR;
30 |             case RESIDENTIAL -> Color.BLUE + " " + PointMarker.SQUARE;
31 |             case SPORTS -> Color.ORANGE + " " + PointMarker.CIRCLE;
32 |             default -> Color.BLACK + " " + PointMarker.CIRCLE;
33 |         };
34 |     }
35 | 
36 |     @Override
37 |     public String toJSON() {
38 |         return Mappable.super.toJSON() + """
39 |                 ,"name" : "%s", "usage": :%s" """.formatted(name, usage);
40 |     }
41 | }
42 | 


--------------------------------------------------------------------------------
/Interfaces/Interface_Challenge/Mappable.java:
--------------------------------------------------------------------------------
 1 | package org.example.Interfaces.Interface_Challenge;
 2 | 
 3 | 
 4 | enum Geometry {LINE, POINT, POLYGON}
 5 | 
 6 | enum PointMarker{CIRCLE, PUSH_PIN, STAR, SQUARE, TRIANGLE}
 7 | 
 8 | enum LineMarker {DASHED, DOTTED, SOLID}
 9 | 
10 | public interface Mappable {
11 |     String JSON_PROPERTY = """
12 |            "properties": {%s} """;
13 | 
14 |     String getLable();
15 |     Geometry getShape();
16 |     String getMarker();
17 | 
18 |     default String toJSON(){
19 |         return """
20 |                "type": "%s", "label": "%s", "marker": "%s" """.formatted(getShape(), getLable(), getMarker());
21 |     }
22 | 
23 |     static void mapIt(Mappable mappable){
24 |         System.out.println(JSON_PROPERTY.formatted(mappable.toJSON()));
25 |     }
26 | }
27 | 


--------------------------------------------------------------------------------
/Interfaces/Interface_Challenge/UtilityLine.java:
--------------------------------------------------------------------------------
 1 | package org.example.Interfaces.Interface_Challenge;
 2 | 
 3 | import java.awt.*;
 4 | 
 5 | enum UtilityType {ELECTRICAL, FIBER_OPTIC, GAS, WATER}
 6 | public class UtilityLine implements Mappable {
 7 |     private String name;
 8 |     private UtilityType type;
 9 | 
10 |     public UtilityLine(String name, UtilityType type) {
11 |         this.name = name;
12 |         this.type = type;
13 |     }
14 | 
15 |     @Override
16 |     public String getLable() {
17 |         return name + " (" + type + ")";
18 |     }
19 | 
20 |     @Override
21 |     public Geometry getShape() {
22 |         return Geometry.LINE;
23 |     }
24 | 
25 |     @Override
26 |     public String getMarker() {
27 |         return switch (type){
28 |             case ELECTRICAL -> Color.RED + " " + LineMarker.DASHED;
29 |             case FIBER_OPTIC -> Color.GREEN + " " + LineMarker.DOTTED;
30 |             case GAS -> Color.ORANGE + " " + LineMarker.SOLID;
31 |             case WATER -> Color.BLUE + " " + LineMarker.SOLID;
32 |             default -> Color.BLACK + " " + LineMarker.SOLID;
33 |         };
34 |     }
35 | 
36 |     @Override
37 |     public String toJSON() {
38 |         return Mappable.super.toJSON() + """
39 |                 ,"name" : "%s", "utility": :%s" """.formatted(name, type);
40 |     }
41 | }
42 | 


--------------------------------------------------------------------------------
/Interfaces/Jet.java:
--------------------------------------------------------------------------------
 1 | package org.example.Interfaces;
 2 | 
 3 | public class Jet implements FlightEnabled, Trackable{
 4 | 
 5 |     @Override
 6 |     public void takeoff() {
 7 |         System.out.println(getClass().getSimpleName() + " is taking off");
 8 |     }
 9 | 
10 |     @Override
11 |     public void land() {
12 |         System.out.println(getClass().getSimpleName() + " is landing");
13 |     }
14 | 
15 |     @Override
16 |     public void fly() {
17 |         System.out.println(getClass().getSimpleName() + " is flying");
18 |     }
19 | 
20 |     @Override
21 |     public void track() {
22 |         System.out.println(getClass().getSimpleName() + " coordinates recorded");
23 |     }
24 | 
25 |     @Override
26 |     public FlightStage transition(FlightStage stage) {
27 |         System.out.println(getClass().getSimpleName() + " transitioning");
28 |         return FlightEnabled.super.transition(stage);
29 |     }
30 | }
31 | 


--------------------------------------------------------------------------------
/Interfaces/Test.java:
--------------------------------------------------------------------------------
 1 | package org.example.Interfaces;
 2 | 
 3 | public class Test {
 4 |     public static void main(String[] args) {
 5 |         inFlight(new Jet());
 6 |     }
 7 |     private static void inFlight(FlightEnabled flier){
 8 |         flier.takeoff();
 9 |         flier.transition(FlightStage.LAUNCH);
10 |         flier.fly();
11 |         if (flier instanceof Trackable tracked){
12 |             tracked.track();
13 |         }flier.land();
14 |     }
15 | }
16 | 


--------------------------------------------------------------------------------
/Interfaces/Truck.java:
--------------------------------------------------------------------------------
 1 | package org.example.Interfaces;
 2 | 
 3 | public class Truck implements Trackable{
 4 | 
 5 |     @Override
 6 |     public void track() {
 7 |         System.out.println(getClass().getSimpleName() + " coordinates recorded");
 8 |     }
 9 | }
10 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/AreaCalculator.java:
--------------------------------------------------------------------------------
 1 | public class AreaCalculator{
 2 | 
 3 |     // SOLUTION PATTER 2
 4 |     /* public static double area(double radius){
 5 |         if (radius < 0){
 6 |             return -1.0;
 7 |         }
 8 |         return radius * radius * Math.PI;
 9 |     }
10 | 
11 |     public static double area(double x, double y){
12 |         if (x < 0 || y < 0){
13 |             return -1.0;
14 |         }
15 |         return x * y;
16 |     }*/
17 | 
18 |     // SOLUTION PATTERN 1
19 |     public static void main(String[] arg){
20 |         System.out.println(area(5.0));
21 |         System.out.println(area(-1));
22 |         System.out.println(area(5.0, 4.0));
23 |     }
24 |     public static double area(double radius){
25 |         return (radius < 1) ? -1 : radius * radius * Math.PI;
26 |     }
27 | 
28 |     public static double area (double x, double y){
29 |         return (x < 0 || y < 0) ? -1.0 : x * y;
30 |     }
31 | }
32 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/BarkingDog.java:
--------------------------------------------------------------------------------
 1 | public class BarkingDog {
 2 |     /*public static boolean shouldWakeUp(boolean barking, int hourOfDay){
 3 |     if (barking == true || hourOfDay < 8 || hourOfDay > 22){
 4 |         return true;
 5 |     }
 6 |     return false;
 7 | }*/
 8 |     public static void main(String[] arg){
 9 |         System.out.println(shouldWakeUp(false, 2));
10 |     }
11 |     public static boolean shouldWakeUp(boolean barking, int hourOfDay){
12 |         if (barking == false || hourOfDay < 0 || hourOfDay > 23 || (hourOfDay > 7 && hourOfDay < 23)){
13 |             return false;
14 |         }
15 |         return true;
16 |     }
17 | 
18 | }
19 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/EqualSumChecker.java:
--------------------------------------------------------------------------------
 1 | public class EqualSumChecker {
 2 |     public static boolean hasEqualSum(int num1, int num2, int num3){
 3 |         if ((num1 + num2) == num3){
 4 |             return true;
 5 |         }else return false;
 6 |     }
 7 |     public static void main(String[] arg){
 8 |         System.out.println(hasEqualSum(1, 1, 1));
 9 |     }
10 | }
11 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/InterestRate.java:
--------------------------------------------------------------------------------
 1 |     public static void main(String[] arg){
 2 | 
 3 |         /*for (int counter = 0; counter <= 5; counter++){
 4 |             System.out.println(counter);
 5 |         }*/
 6 |         for (double rate = 7.5; rate <= 10; rate +=0.25){
 7 |             //System.out.println("500 at " + rate + "% interest = " + calculateInterest(500, rate));
 8 |             double interestAmount = calculateInterest(500, rate);
 9 |             if (interestAmount > 48.5){
10 |                 break;
11 |             }
12 |             System.out.println("$500 at " + rate + "% interest = $" + interestAmount);
13 |         }
14 |     }
15 |     public static double calculateInterest(double amount, double interestRate){
16 |         return (amount * (interestRate / 100));
17 |     }
18 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/KilobytesToMegabytes.java:
--------------------------------------------------------------------------------
 1 | public class KilobytesToMegabytes {
 2 | 
 3 |     public static void main(String[] arg){
 4 |         printMegaBytesAndKiloBytes(2500);
 5 |     }
 6 | 
 7 |     public static void printMegaBytesAndKiloBytes(int kiloBytes){
 8 |         if (kiloBytes < 0){
 9 |             System.out.println("Invalid Value");
10 |         }
11 |         else {
12 |             int megabyte = kiloBytes / 1024;
13 |             int remainder = kiloBytes % 1024;
14 |             System.out.println(kiloBytes + " KB = " + megabyte + " MB and " + remainder + " KB.");
15 |         }
16 |     }
17 | }
18 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/MethodOverLoadingChallenge.java:
--------------------------------------------------------------------------------
 1 | public class MethodOverLoadingChallenge {
 2 |     public static double convertToCentimeters(int inches){
 3 |         return inches * 2.54;
 4 |     }
 5 | 
 6 |     /* public static double concertToCentimeter(int inches, int feet){
 7 |         return ((feet * 12) + inches) * 2.54;
 8 |     }*/
 9 |     /* public static double concertToCentimeter(int inches, int feet){
10 |         return convertToCentimeters((feet * 12) + inches);
11 |     }*/
12 | 
13 |     public static double concertToCentimeter(int inches, int feet){
14 |         //return ((feet * 12) + inches) * 2.54;
15 |         int feetToInches = feet * 12;
16 |         int totalInches = feetToInches + inches;
17 |         double result = convertToCentimeters(totalInches);
18 |         return result;
19 |     }
20 | 
21 |     public static void main(String[] arg){
22 |         System.out.println("5ft, 8in = " + concertToCentimeter(5, 8) + "cm");
23 |         System.out.println("68in = " + convertToCentimeters(6) + "cm");
24 |     }
25 | }
26 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/MethodOverloading.java:
--------------------------------------------------------------------------------
 1 | public class MethodOverloading {
 2 |     public static void main(String[] args){
 3 |         //calculateScore("Innocent", 50);
 4 |         int newScore = calculateScore("Innocent", 50);
 5 |         System.out.println("New score is " + newScore);
 6 | 
 7 |         calculateScore(300);
 8 |         calculateScore();
 9 |     }
10 | 
11 |     public static int calculateScore(String playerName, int score){
12 |         System.out.println("Player " + playerName + " Score " + score + " point");
13 |         return score * 1000;
14 |     }
15 | 
16 |     /*public static int calculateScore(int score){
17 |         System.out.println("Unnamed player Score " + score + " point");
18 |         return score * 1000;
19 |     }*/
20 |     public static int calculateScore(int score){
21 |         return  calculateScore("Anonymous", score);
22 |     }
23 |     public static int calculateScore() {
24 |         System.out.println("No player name, No player Score");
25 |         return 0;
26 |     }
27 | }
28 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/MethodsAndReturn.java:
--------------------------------------------------------------------------------
 1 | public class MethodsAndReturn {
 2 |     public static void main(String[] arg){
 3 | 
 4 |         int highScore = calculateScore(true, 80, 5, 100);
 5 |         System.out.println("Your Score is = " + highScore);
 6 |         System.out.println("The next high score " + calculateScore(true, 1000, 8,200));
 7 | 
 8 |     }
 9 |     public static int calculateScore(boolean gameOver, int score, int levelCompleted, int bonus){
10 |         /* boolean gameOver = true;
11 |         int score = 10000;
12 |         int levelCompleted = 8;
13 |         int bonus = 200; */
14 |         int finalScore = score;
15 | 
16 |         if(gameOver == true){
17 |             finalScore += (levelCompleted * bonus);
18 |             /*System.out.println("Your final score is " + finalScore);*/
19 |         }
20 |         return finalScore;
21 |     }
22 | }
23 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/Min_And_Max_Challenge.java:
--------------------------------------------------------------------------------
 1 | import java.util.Scanner;
 2 | 
 3 | public class MinAndMaxChallenge {
 4 |     public static void main(String[] args) {
 5 |         Scanner scanner = new Scanner(System.in);
 6 | 
 7 |         double max = 0;
 8 |         double min = 0;
 9 |         int loopCount = 0;
10 | 
11 |         while (true){
12 |             System.out.println("Kindly enter your number or any character to exit: ");
13 |             String num = scanner.nextLine();
14 |             try {
15 |                 double validNum = Double.parseDouble(num);
16 |                 if (loopCount == 0 || validNum < min){
17 |                     min = validNum;
18 |                 }if (loopCount == 0 || validNum > max){
19 |                     max = validNum;
20 |                 }loopCount++;
21 |             }catch(NumberFormatException nfe){
22 |                 break;
23 |             }
24 |         }
25 |         if (loopCount > 0){
26 |             System.out.printf("min = " + min + ", max = " + max);
27 |         }else{
28 |             System.out.println("No valid data entered");
29 |         }
30 |     }
31 | }
32 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/MinutesToYearsDaysCalculator.java:
--------------------------------------------------------------------------------
 1 | public class Main{
 2 | 
 3 |     public static void printYearsAndDays(long minutes){
 4 |         if (minutes < 0){
 5 |             System.out.println("Invalid Value");
 6 |         }
 7 |         else {
 8 |             long year = minutes / (60 * 24 * 365);
 9 |             long remainingYears = minutes % (60 * 24 * 365);
10 |             long days = remainingYears / (60 * 24);
11 |             System.out.println(minutes + " min = " + year + " y and " + days + " d");
12 |         }
13 |     }
14 |     public static void main(String[] arg){
15 |         printYearsAndDays(1051200);
16 |     }
17 | }
18 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/PlayingCat.java:
--------------------------------------------------------------------------------
 1 | public class PlayingCat {
 2 |     // write your code here
 3 |         public static boolean isCatPlaying(boolean summer, int temperature){
 4 |         if (summer && temperature >= 25 && temperature <= 45){
 5 |             return true;
 6 |         }
 7 |         else if (!summer && temperature >= 25 && temperature <= 35){
 8 |             return true;
 9 |         }
10 |         return false;
11 |     }
12 | }
13 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/PrimeNumber.java:
--------------------------------------------------------------------------------
 1 | public class PrimeNumber {
 2 |     public static void main(String[] arg){
 3 |         /* System.out.println("0 is " + (isPrime(0) ? "" : "NOT ") + "a prime number");
 4 |         System.out.println("1 is " + (isPrime(1) ? "" : "NOT ") + "a prime number");
 5 |         System.out.println("2 is " + (isPrime(2) ? "" : "NOT ") + "a prime number");
 6 |         System.out.println("3 is " + (isPrime(3) ? "" : "NOT ") + "a prime number");
 7 |         System.out.println("4 is " + (isPrime(4) ? "" : "NOT ") + "a prime number"); */
 8 |         int count = 0;
 9 | 
10 |         for (int i = 10; count < 3 && i <= 50; i++){
11 |             if (isPrime(i)) {
12 |                 System.out.println("number " + i + " is a prime number");
13 |                 count++;
14 |                 /*if (count == 3){
15 |                     System.out.println("Found 3 - Exiting for loop");
16 |                     break;
17 |                 }*/
18 |             }
19 |         }
20 |         //System.out.println("Total number of prime numbers between 10 and 50 is " + count);
21 |     }
22 |     public static boolean isPrime(int wholeNumber){
23 |         if (wholeNumber <= 2){
24 |             return (wholeNumber == 2);
25 |         }
26 |         for (int divisor = 2; divisor <= wholeNumber / 2; divisor++){
27 |             if (wholeNumber % divisor == 0){
28 |                 return false;
29 |             }
30 |         }
31 |         return true;
32 |     }
33 | }
34 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/SpeedConverter.java:
--------------------------------------------------------------------------------
 1 | public class SpeedConverter {
 2 |     public static void main(String[] arg){
 3 |         System.out.println(toMilesPerHour(10));
 4 |         printConversion(15.6);
 5 |     }
 6 |     /*public static long toMilesPerHour(double kilometersPerHour){
 7 | 
 8 |         if (kilometersPerHour < 0){
 9 |             return -1;
10 |         }
11 |         else{
12 |             long result = Math.round(kilometersPerHour / 1.609);
13 |             return result;
14 |         }
15 |     }
16 |     public static void printConversion(double kilometersPerHour){
17 |         if (kilometersPerHour < 0){
18 |             System.out.println("Invalid Value");
19 |         }
20 |         else {
21 |             long mile = toMilesPerHour(kilometersPerHour);
22 |             System.out.println(kilometersPerHour + " km/h = " + mile + " mi/h");
23 |         }
24 |     }*/
25 |     /* Here is another way of solving this problem using Ternary */
26 |     public static long toMilesPerHour(double kilometersPerHour){
27 |         return kilometersPerHour < 0 ? -1 : Math.round(kilometersPerHour / 1.609);
28 |     }
29 | 
30 |     public static void printConversion(double kilometersPerHour){
31 |         System.out.println(kilometersPerHour < 0 ? "Invalid Value" : kilometersPerHour + " km/h = " + toMilesPerHour(kilometersPerHour) + " mi/h");
32 |     }
33 | }
34 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/TeenNumberChecker.java:
--------------------------------------------------------------------------------
 1 | public class TeenNumberChecker {
 2 |     public static boolean hasTeen(int num1, int num2, int num3){
 3 |         if (isTeen(num1) || isTeen(num2) || isTeen(num3)){
 4 |             return true;
 5 |         }else return false;
 6 |     }
 7 | 
 8 |     public static boolean isTeen(int checker){
 9 |         if (checker >= 13 && checker <= 19){
10 |             return true;
11 |         }else return false;
12 |     }
13 | 
14 |     public static void main(String[] args){
15 |         System.out.println(hasTeen(9, 99, 19));
16 |     }
17 | }
18 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/areEqualByThreeDecimalPlaces.java:
--------------------------------------------------------------------------------
 1 | public class areEqualByThreeDecimalPlaces {
 2 |     public static boolean areEqualByThreeDecimalPlaces(double firstcheck, double num2){
 3 |         int firstcheckInt = (int)(firstcheck * 1000);
 4 |         int num2Int = (int)(num2 * 1000);
 5 | 
 6 |         if(firstcheckInt == num2Int){
 7 |             return true;
 8 |         }else return false;
 9 |     }
10 |     public static void main(String[] arg){
11 |         System.out.println(areEqualByThreeDecimalPlaces(-3.1756, -3.175));
12 |     }
13 | }
14 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/is _Even_Number.java:
--------------------------------------------------------------------------------
 1 | public class isEvenNumber {
 2 | 
 3 |     public static boolean isEvenNumber(int even){
 4 |         if ((even % 2) == 0){
 5 |             return true;
 6 |         }
 7 |         return false;
 8 |     }
 9 |     public static void main(String[] args){
10 |         int evenCount = 0;
11 |         int oddCount = 0;
12 |         int show = 5;
13 |         while (show <= 20){
14 |             show++;
15 |             if (!isEvenNumber(show)){
16 |                 oddCount++;
17 |                 //show += count;
18 |                 continue;
19 |             }
20 |             System.out.println("Even number " + show);
21 |             evenCount++;
22 |             if (evenCount >= 5){
23 |                 break;
24 |             }
25 |         }
26 |         System.out.println("Total odd numbers found = " + oddCount);
27 |         System.out.println("Total odd numbers found = " + oddCount);
28 |     }
29 | }
30 | 


--------------------------------------------------------------------------------
/Introduction_to_Expressions_and_statements_in_Java/numberOfDaysInMonth.java:
--------------------------------------------------------------------------------
 1 | public class NumberOfDaysInMonth {
 2 |     // write your code here
 3 |         public static boolean isLeapYear(int year){
 4 |         if (!(year >= 1 && year <= 9999)){
 5 |             return false;
 6 |         }
 7 |         return ((year % 4 == 0) && (year % 100 != 0) || (year % 400 == 0));
 8 |     }
 9 |     public static int getDaysInMonth(int month, int year){
10 |         if ((month < 1) || (month > 12) || ((year < 1) || (year > 9999))){
11 |             return -1;
12 |         }
13 |         if (isLeapYear(year) && month == 2){
14 |             return 29;
15 |         }
16 |         switch (month){
17 |             case 11: case 4: case 6: case 9:
18 |                 return 30;
19 |             case 2:
20 |                 return 28;
21 |             default:
22 |                 return 31;
23 |         }
24 | 
25 |     }
26 | }
27 | 


--------------------------------------------------------------------------------
/JUnit_Testing/Grader.java:
--------------------------------------------------------------------------------
 1 | package org.example.JUnit_Testing;
 2 | 
 3 | public class Grader {
 4 |     public char determineLetterGrade(int numberGrade){
 5 |         if(numberGrade < 0){
 6 |             throw new IllegalArgumentException("Number grade cannot be validated");
 7 |         } else if (numberGrade <60) {
 8 |             return 'F';
 9 |         } else if (numberGrade <70) {
10 |             return 'D';
11 |         } else if (numberGrade <80) {
12 |             return 'C';
13 |         } else if (numberGrade <90) {
14 |             return 'B';
15 |         } else {
16 |             return 'A';
17 |         }
18 |     }
19 | 
20 |     public static void main(String[] args) {
21 |         Grader grader = new Grader();
22 |         System.out.println(grader.determineLetterGrade(76));
23 |     }
24 | }
25 | 


--------------------------------------------------------------------------------
/JUnit_Testing/GraderTest.java:
--------------------------------------------------------------------------------
 1 | package org.example.JUnit_Testing;
 2 | 
 3 | import org.junit.jupiter.api.Test;
 4 | 
 5 | import static org.junit.jupiter.api.Assertions.*;
 6 | 
 7 | class GraderTest {
 8 | 
 9 |     @Test
10 |     void CheckNumberToScore(){
11 |         var grader = new Grader();
12 |         assertEquals('F', grader.determineLetterGrade(59));
13 |     }
14 |     @Test
15 |     void CheckNumberToScore1(){
16 |         var grader = new Grader();
17 |         assertEquals('D', grader.determineLetterGrade(69));
18 |     }
19 |     @Test
20 |     void CheckNumberToScore2(){
21 |         var grader = new Grader();
22 |         assertEquals('C', grader.determineLetterGrade(79));
23 |     }
24 |     @Test
25 |     void CheckNumberToScore3(){
26 |         var grader = new Grader();
27 |         assertEquals('B', grader.determineLetterGrade(89));    }
28 |     @Test
29 |     void CheckNumberToScore4(){
30 |         var grader = new Grader();
31 |         assertEquals('A', grader.determineLetterGrade(99));
32 |     }
33 |     void CheckNumberToScore5(){
34 |         var grader = new Grader();
35 |         assertThrows(IllegalArgumentException.class, () -> {grader.determineLetterGrade(-1);});
36 |     }
37 | 
38 | }


--------------------------------------------------------------------------------
/JUnit_Testing/Manager/Main.java:
--------------------------------------------------------------------------------
1 | package org.example.JUnit_Testing.Manager;
2 | 
3 | public class Main {
4 |     public static void main(String[] args) {
5 |         PContact pContact = new PContact("Innocent", "Charles", "+2348163093928");
6 |         System.out.println(pContact.toString());
7 |     }
8 | }


--------------------------------------------------------------------------------
/JUnit_Testing/Manager/PContactManager.java:
--------------------------------------------------------------------------------
 1 | package org.example.JUnit_Testing.Manager;
 2 | 
 3 | import java.util.Collection;
 4 | import java.util.Map;
 5 | import java.util.concurrent.ConcurrentHashMap;
 6 | 
 7 | public class PContactManager {
 8 |     Map<String, PContact> contactList = new ConcurrentHashMap<String, PContact>();
 9 | 
10 |     public void addContact(String firstName, String lastName, String phoneNumber) {
11 |         PContact pContact = new PContact(firstName, lastName, phoneNumber);
12 |         validateContact(pContact);
13 |         checkIfContactAlreadyExist(pContact);
14 |         contactList.put(generateKey(pContact), pContact);
15 |     }
16 | 
17 |     public Collection<PContact> getAllContacts() {
18 |         return contactList.values();
19 |     }
20 | 
21 |     private void checkIfContactAlreadyExist(PContact pContact) {
22 |         if (contactList.containsKey(generateKey(pContact)))
23 |             throw new RuntimeException("Contact Already Exists");
24 |     }
25 | 
26 |     private void validateContact(PContact contact) {
27 |         contact.validateFirstName();
28 |         contact.validateLastName();
29 |         contact.validatePhoneNumber();
30 |     }
31 | 
32 |     private String generateKey(PContact contact) {
33 |         return String.format("%s-%s", contact.getFirstName(), contact.getLastName());
34 |     }
35 | }
36 | 


--------------------------------------------------------------------------------
/JUnit_Testing/SimpleCalculator.java:
--------------------------------------------------------------------------------
1 | package org.example.JUnit_Testing;
2 | 
3 | public class SimpleCalculator {
4 | 
5 |     public int add(int numA, int numB){
6 |         return numA + numB;
7 |     }
8 | }
9 | 


--------------------------------------------------------------------------------
/JUnit_Testing/SimpleCalculatorTest.java:
--------------------------------------------------------------------------------
 1 | package org.example.JUnit_Testing;
 2 | 
 3 | import org.junit.jupiter.api.Test;
 4 | 
 5 | import static org.junit.jupiter.api.Assertions.*;
 6 | 
 7 | class SimpleCalculatorTest {
 8 | 
 9 |     @Test
10 |     void testTwoNumber(){
11 |         var cal = new SimpleCalculator();
12 |         assertEquals(4, cal.add(2, 2)); // Using assertEqual
13 |         //assertTrue(cal.add(2, 2) == 4); // Using assertTrue
14 |     }
15 | 
16 |     @Test
17 |     void twoDiffNum(){
18 |         var cal2 = new SimpleCalculator();
19 |         assertEquals(17, cal2.add(10, 7));
20 |     }
21 | }


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/JavaFX_Project/src/main/java/com/example/javafx_project/HelloApplication.java:
--------------------------------------------------------------------------------
 1 | package com.example.javafx_project;
 2 | 
 3 | import javafx.application.Application;
 4 | import javafx.fxml.FXMLLoader;
 5 | import javafx.scene.Scene;
 6 | import javafx.stage.Stage;
 7 | 
 8 | import java.io.IOException;
 9 | 
10 | public class HelloApplication extends Application {
11 |     @Override
12 |     public void start(Stage stage) throws IOException {
13 |         FXMLLoader fxmlLoader = new FXMLLoader(HelloApplication.class.getResource("hello-view.fxml"));
14 | //        GridPane fxmlLoader = new GridPane();
15 | //        fxmlLoader.setAlignment(Pos.CENTER);
16 | //        fxmlLoader.setVgap(10);
17 | //        fxmlLoader.setHgap(10);
18 | //
19 | //        Label greeting = new Label("Hi Innocent Charles! Welcome to JavaFX...");
20 | //        greeting.setTextFill(Color.GREEN);
21 | //        greeting.setFont(Font.font("Times New Roman", FontWeight.BOLD, 48));
22 | //        fxmlLoader.getChildren().add(greeting);
23 | 
24 |         Scene scene = new Scene(fxmlLoader.load(), 900, 240);
25 |         stage.setTitle("Hello JavaFX!");
26 |         stage.setScene(scene);
27 |         stage.show();
28 |     }
29 | 
30 |     public static void main(String[] args) {
31 |         launch();
32 |     }
33 | }


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/JavaFX_Project/src/main/java/com/example/javafx_project/HelloController.java:
--------------------------------------------------------------------------------
 1 | package com.example.javafx_project;
 2 | 
 3 | import javafx.fxml.FXML;
 4 | import javafx.scene.control.Label;
 5 | 
 6 | public class HelloController {
 7 |     @FXML
 8 |     private Label welcomeText;
 9 | 
10 |     @FXML
11 |     protected void onHelloButtonClick() {
12 |         welcomeText.setText("Hi Innocent Charles, Welcome to JavaFX Application!");
13 |     }
14 | }


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/JavaFX_Project/src/main/java/module-info.java:
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1 | module com.example.javafx_project {
2 |     requires javafx.controls;
3 |     requires javafx.fxml;
4 | 
5 | 
6 |     opens com.example.javafx_project to javafx.fxml;
7 |     exports com.example.javafx_project;
8 | }


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/JavaFX_Project/src/main/resources/com/example/javafx_project/hello-view.fxml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | 
 3 | <?import javafx.geometry.Insets?>
 4 | <?import javafx.scene.control.Label?>
 5 | <?import javafx.scene.layout.VBox?>
 6 | 
 7 | <?import javafx.scene.control.Button?>
 8 | <?import javafx.scene.text.Font?>
 9 | <VBox alignment="CENTER" spacing="20.0" xmlns:fx="http://javafx.com/fxml"
10 |       fx:controller="com.example.javafx_project.HelloController">
11 |     <padding>
12 |         <Insets bottom="20.0" left="20.0" right="20.0" top="20.0"/>
13 |     </padding>
14 | 
15 |     <Label text="Hi Innocent, Welcome to Java FX" textFill="green"> <font><Font name="Times New Roman bold" size="50"/></font></Label>
16 |     <Label fx:id="welcomeText"/>
17 |     <Button text="Hello Innocent!" onAction="#onHelloButtonClick"/>
18 | </VBox>
19 | 


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/JavaFX_Project/target/classes/com/example/javafx_project/HelloApplication.class:
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https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/JavaFX_Project/target/classes/com/example/javafx_project/HelloApplication.class


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/JavaFX_Project/target/classes/com/example/javafx_project/HelloController.class:
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https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/JavaFX_Project/target/classes/com/example/javafx_project/HelloController.class


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/JavaFX_Project/target/classes/com/example/javafx_project/hello-view.fxml:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | 
 3 | <?import javafx.geometry.Insets?>
 4 | <?import javafx.scene.control.Label?>
 5 | <?import javafx.scene.layout.VBox?>
 6 | 
 7 | <?import javafx.scene.control.Button?>
 8 | <?import javafx.scene.text.Font?>
 9 | <VBox alignment="CENTER" spacing="20.0" xmlns:fx="http://javafx.com/fxml"
10 |       fx:controller="com.example.javafx_project.HelloController">
11 |     <padding>
12 |         <Insets bottom="20.0" left="20.0" right="20.0" top="20.0"/>
13 |     </padding>
14 | 
15 |     <Label text="Hi Innocent, Welcome to Java FX" textFill="green"> <font><Font name="Times New Roman bold" size="50"/></font></Label>
16 |     <Label fx:id="welcomeText"/>
17 |     <Button text="Hello Innocent!" onAction="#onHelloButtonClick"/>
18 | </VBox>
19 | 


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/JavaFX_Project/target/classes/module-info.class:
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https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/JavaFX_Project/target/classes/module-info.class


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/Java_School_OOP_Model/pom.xml:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project xmlns="http://maven.apache.org/POM/4.0.0"
 3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5 |     <modelVersion>4.0.0</modelVersion>
 6 | 
 7 |     <groupId>org.example</groupId>
 8 |     <artifactId>Java_School_OOP_Model</artifactId>
 9 |     <version>1.0-SNAPSHOT</version>
10 | 
11 |     <properties>
12 |         <maven.compiler.source>17</maven.compiler.source>
13 |         <maven.compiler.target>17</maven.compiler.target>
14 |         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
15 |     </properties>
16 | 
17 | </project>


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/Java_School_OOP_Model/src/main/java/org/example/SchoolModel/Applicant.java:
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1 | package org.example.SchoolModel;
2 | 
3 | public class Applicant extends Person {
4 |     public Applicant(int id, String name,int age, double wallet) {
5 |         super(id, name, age, wallet);
6 |     }
7 | }
8 | 


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/Java_School_OOP_Model/src/main/java/org/example/SchoolModel/Exam.java:
--------------------------------------------------------------------------------
 1 | package org.example.SchoolModel;
 2 | 
 3 | import java.time.LocalDateTime;
 4 | 
 5 | public class Exam {
 6 |     private int examId;
 7 |     private String examTitle;
 8 |     private LocalDateTime examDate;
 9 | 
10 |     public Exam(int examId, String examTitle, LocalDateTime examDate) {
11 |         this.examId = examId;
12 |         this.examTitle = examTitle;
13 |         this.examDate = examDate;
14 |     }
15 | 
16 |     public int getExamId() {
17 |         return examId;
18 |     }
19 | 
20 |     public void setExamId(int examId) {
21 |         this.examId = examId;
22 |     }
23 | 
24 |     public String getExamTitle() {
25 |         return examTitle;
26 |     }
27 | 
28 |     public void setExamTitle(String examTitle) {
29 |         this.examTitle = examTitle;
30 |     }
31 | 
32 |     public LocalDateTime getExamDate() {
33 |         return examDate;
34 |     }
35 | 
36 |     public void setExamDate(LocalDateTime examDate) {
37 |         this.examDate = examDate;
38 |     }
39 | 
40 |     @Override
41 |     public String toString() {
42 |         return "Exam{" +
43 |                 "examId=" + examId +
44 |                 ", examTitle='" + examTitle + '\'' +
45 |                 ", examDate=" + examDate +
46 |                 '}';
47 |     }
48 | }
49 | 


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/Java_School_OOP_Model/src/main/java/org/example/SchoolModel/NonAcademicStaff.java:
--------------------------------------------------------------------------------
1 | package org.example.SchoolModel;
2 | 
3 | public class NonAcademicStaff extends Staff{
4 |     public NonAcademicStaff(int id, String name, int age, double wallet) {
5 |         super(id, name, age, wallet);
6 |     }
7 | }
8 | 


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/Java_School_OOP_Model/src/main/java/org/example/SchoolModel/Person.java:
--------------------------------------------------------------------------------
 1 | package org.example.SchoolModel;
 2 | 
 3 | public class Person {
 4 |     private int id;
 5 |     private String name;
 6 |     private int age;
 7 |     private double wallet = 0;
 8 | 
 9 |     public Person(int id, String name, int  age, double wallet) {
10 |         this.id = id;
11 |         this.name = name;
12 |         this.age = age;
13 |         this.wallet = wallet;
14 |     }
15 | 
16 |     public double getWallet() {
17 |         return wallet;
18 |     }
19 | 
20 |     public void setWallet(double wallet) {
21 |         this.wallet = wallet;
22 |     }
23 | 
24 |     public int getId() {
25 |         return id;
26 |     }
27 | 
28 |     public void setId(int id) {
29 |         this.id = id;
30 |     }
31 | 
32 |     public String getName() {
33 |         return name;
34 |     }
35 | 
36 |     public void setName(String name) {
37 |         this.name = name;
38 |     }
39 | 
40 |     public int getAge() {
41 |         return age;
42 |     }
43 | 
44 |     public void setAge(int age) {
45 |         this.age = age;
46 |     }
47 | 
48 |     @Override
49 |     public String toString() {
50 |         return "Person{" +
51 |                 "id=" + id +
52 |                 ", name='" + name + '\'' +
53 |                 ", age=" + age +
54 |                 '}';
55 |     }
56 | }
57 | 


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/Java_School_OOP_Model/src/main/java/org/example/SchoolModel/Principal.java:
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 1 | package org.example.SchoolModel;
 2 | 
 3 | public class Principal extends Staff{
 4 |     private School school;
 5 |     public Principal(int id, String name,int age, double wallet) {
 6 |         super(id, name, age, wallet);
 7 |         this.school = school;
 8 | 
 9 |     }
10 | 
11 |     public School getSchool() {
12 |         return school;
13 |     }
14 | 
15 |     public void setSchool(School school) {
16 |         this.school = school;
17 |     }
18 | }
19 | 


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/Java_School_OOP_Model/src/main/java/org/example/SchoolModel/Staff.java:
--------------------------------------------------------------------------------
 1 | package org.example.SchoolModel;
 2 | 
 3 | public class Staff {
 4 |     private String role;
 5 | 
 6 | 
 7 |     public Staff(int id, String name, int age, double wallet) {
 8 |         super();
 9 |     }
10 | 
11 | 
12 | 
13 |     public String getRole() {
14 |         return role;
15 |     }
16 | 
17 |     public void setRole(String role) {
18 |         this.role = role;
19 |     }
20 | }
21 | 


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/Java_School_OOP_Model/src/main/java/org/example/SchoolModel/Teacher.java:
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 1 | package org.example.SchoolModel;
 2 | 
 3 | import java.util.ArrayList;
 4 | import java.util.List;
 5 | 
 6 | public class Teacher extends Staff{
 7 |     private List<Course> courses = new ArrayList<>();
 8 |     private School school;
 9 | 
10 |     public Teacher(int id, String name, int age, double wallet) {
11 |         super(id, name, age, wallet);
12 |         this.school = school;
13 | 
14 |     }
15 | 
16 |     public List<Course> getCourses() {
17 |         return courses;
18 |     }
19 | 
20 |     public void setCourses(List<Course> courses) {
21 |         this.courses = courses;
22 |     }
23 | 
24 |     public School getSchool() {
25 |         return school;
26 |     }
27 | 
28 |     public void setSchool(School school) {
29 |         this.school = school;
30 |     }
31 | 
32 |     @Override
33 |     public String toString() {
34 |         return "Teacher{" +
35 |                 "} " + super.toString();
36 |     }
37 | 
38 |     public String getName() {
39 |         return "";
40 |     }
41 | }
42 | 


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/Java_School_OOP_Model/src/main/java/org/example/services/PrincipalService.java:
--------------------------------------------------------------------------------
 1 | package org.example.services;
 2 | 
 3 | import org.example.SchoolModel.Applicant;
 4 | import org.example.SchoolModel.Student;
 5 | 
 6 | public interface PrincipalService {
 7 |     void admitStudent(Applicant applicant);
 8 |     void expelStudent(Student student);
 9 | }
10 | 


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/Java_School_OOP_Model/src/main/java/org/example/services/StudentService.java:
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 1 | package org.example.services;
 2 | 
 3 | import org.example.SchoolModel.Assignment;
 4 | import org.example.SchoolModel.Course;
 5 | import org.example.SchoolModel.Exam;
 6 | import org.example.SchoolModel.Student;
 7 | 
 8 | import java.util.List;
 9 | 
10 | public interface StudentService {
11 |     String takeCourse(Course course);
12 |     int getTotalNumberOfCoursesTaken(Student student);
13 |     void takeExam(Course course, Exam exam);
14 |     String submitAssignment(Assignment assignment, Course course);
15 |     void payFees(double amount);
16 |     List<Course> getCoursesTaken(Student student);
17 | }
18 | 


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/Java_School_OOP_Model/src/main/java/org/example/services/TeacherService.java:
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 1 | package org.example.services;
 2 | 
 3 | import org.example.SchoolModel.*;
 4 | 
 5 | import java.util.List;
 6 | 
 7 | public interface TeacherService {
 8 |     void teachCourse(Course course);
 9 |     List<Course> getCoursesTaught(Teacher teacher);
10 |     String createAssignment(Course course, Assignment assignment);
11 |     int getTotalStrikes(Student student);
12 |     String createExam(Course course, Exam exam);
13 |     void giveStrike(Student student);
14 | }
15 | 


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/MultiThreading/Main.java:
--------------------------------------------------------------------------------
 1 | package org.example.MultiThreading;
 2 | 
 3 | public class Main {
 4 |     public static void main(String[] args) {
 5 |         System.out.println(ThreadColor.ANSI_CYAN + "Hello from the main Thread");
 6 | 
 7 |         Thread anotherThread = new Multithreading();
 8 |         anotherThread.setName("==Another Thread==");
 9 |         anotherThread.start();
10 | 
11 |         new Thread(){
12 |             public void run(){
13 |                 System.out.println(ThreadColor.ANSI_PUPPLE + "Hello from the anonymous class thread");
14 |             }
15 |         }.start();
16 | 
17 |         Thread threadRunnable = new Thread(new ThreadRunnable() {
18 |             @Override
19 |             public void run() {
20 |                 System.out.println(ThreadColor.ANSI_RED + "Hello from ThreadRunnable's implementation of run");
21 |                 try {
22 |                     anotherThread.join(2000);
23 |                     System.out.println(ThreadColor.ANSI_RED + "Another Thread terminated or time out, so am running again");
24 |                 } catch (InterruptedException e) {
25 |                     System.out.println(ThreadColor.ANSI_RED + "I could'nt wait after all. I was interrupted");
26 |                 }
27 |             }
28 |         });
29 |         threadRunnable.start();
30 | 
31 | 
32 |         System.out.println(ThreadColor.ANSI_GREEN + "Hello again from the main thread ");
33 |     }
34 | }
35 | 


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/MultiThreading/Main2.java:
--------------------------------------------------------------------------------
 1 | package org.example.MultiThreading;
 2 | 
 3 | public class Main2 {
 4 |     public static void main(String[] args) {
 5 |         CountDown countDown = new CountDown();
 6 | 
 7 |         CountDownThread t1 = new CountDownThread(countDown);
 8 |         t1.setName("Thread 1");
 9 |         CountDownThread t2 = new CountDownThread(countDown);
10 |         t2.setName("Thread 2");
11 | 
12 |         t1.start();
13 |         t2.start();
14 |     }
15 | }
16 | 
17 | class CountDown{
18 |     private int i;
19 | 
20 |     public void doCountDown(){
21 |         String color;
22 |         switch (Thread.currentThread().getName()){
23 |             case "Thread 1": color = ThreadColor.ANSI_CYAN;break;
24 |             case "Thread 2": color = ThreadColor.ANSI_PUPPLE;break;
25 |             default: color=ThreadColor.ANSI_BLACK;
26 |         }
27 |         synchronized (this){
28 |             for( i = 10; i > 0; i --){
29 |                 System.out.println(color + Thread.currentThread().getName() + ": i = " + i);
30 |             }
31 |         }
32 |     }
33 | }
34 | 
35 | class CountDownThread extends Thread{
36 |     private CountDown threadCountDown;
37 | 
38 |     public CountDownThread(CountDown countDown){
39 |         threadCountDown = countDown;
40 |     }
41 | 
42 |     public void run(){
43 |         threadCountDown.doCountDown();
44 |     }
45 | }


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/MultiThreading/MultiThreading3.java:
--------------------------------------------------------------------------------
 1 | package org.example.Threads;
 2 | 
 3 | public class MultiThreading3{
 4 |     public void addNumber() throws  InterruptedException{
 5 |         Runnable runnable = ()->{
 6 |             for (int i = 0; i < 100; i++) {
 7 |                 Multithreading.totalValue.getAndAdd(1);
 8 |                 Multithreading.totalValue.set(Multithreading.totalValue.get());
 9 | //                System.out.println("Thread number "+3+"="+Multithreading.totalValue.get());
10 | //                Multithreading.totalValue.getAndIncrement();
11 |                 System.out.println(3+" has added 1 and the total is: "+Multithreading.totalValue.get());
12 |             }
13 | 
14 |             System.out.println("Total value = "+Multithreading.totalValue.get());
15 |         };
16 |         Thread thread = new Thread(runnable);
17 |         thread.start();
18 | //        thread.join();
19 |     }
20 | }
21 | 


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/MultiThreading/Multithreading.java:
--------------------------------------------------------------------------------
 1 | package org.example.MultiThreading;
 2 | 
 3 | public class Multithreading extends Thread{
 4 |     @Override
 5 |     public void run() {
 6 |         System.out.println(ThreadColor.ANSI_BLUE  + "Hello from " + currentThread().getName());
 7 | 
 8 |         try {
 9 |             Thread.sleep(5000);
10 |         }catch (InterruptedException e){
11 |             System.out.println(ThreadColor.ANSI_BLUE + "Another thread woke me up");
12 |             return;
13 |         }
14 |         System.out.println(ThreadColor.ANSI_BLUE + "Three seconds have passed and I'm awake" );
15 |     }
16 | }
17 | 


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/MultiThreading/ThreadColor.java:
--------------------------------------------------------------------------------
 1 | package org.example.MultiThreading;
 2 | 
 3 | public class ThreadColor {
 4 |     public static final String ANSI_RESET = "\u001B[0m";
 5 |     public static final String ANSI_BLACK = "\u001B[30m";
 6 |     public static final String ANSI_RED = "\u001B[31m";
 7 |     public static final String ANSI_GREEN = "\u001B[32m";
 8 |     public static final String ANSI_BLUE= "\u001B[34m";
 9 |     public static final String ANSI_PUPPLE= "\u001B[35m";
10 |     public static final String ANSI_CYAN = "\u001B[36m";
11 | 
12 | }
13 | 


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/MultiThreading/ThreadRunnable.java:
--------------------------------------------------------------------------------
 1 | package org.example.MultiThreading;
 2 | 
 3 | import static org.example.MultiThreading.ThreadColor.ANSI_RED;
 4 | 
 5 | public class ThreadRunnable  implements Runnable{
 6 |     @Override
 7 |     public void run() {
 8 |         System.out.println(ANSI_RED + "Hello from ThreadRunnable's implementation of run");
 9 |     }
10 | }
11 | 


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/My_OOP_practices/pom.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project xmlns="http://maven.apache.org/POM/4.0.0"
 3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5 |     <modelVersion>4.0.0</modelVersion>
 6 | 
 7 |     <groupId>org.example</groupId>
 8 |     <artifactId>Inheritance_Challenge(Company_Model</artifactId>
 9 |     <version>1.0-SNAPSHOT</version>
10 | 
11 |     <properties>
12 |         <maven.compiler.source>17</maven.compiler.source>
13 |         <maven.compiler.target>17</maven.compiler.target>
14 |         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
15 |     </properties>
16 |     <dependencies>
17 |         <dependency>
18 |             <groupId>org.junit.jupiter</groupId>
19 |             <artifactId>junit-jupiter</artifactId>
20 |             <version>RELEASE</version>
21 |             <scope>test</scope>
22 |         </dependency>
23 |     </dependencies>
24 | 
25 | </project>


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/My_OOP_practices/src/main/java/org/example/Inheritance_Challenge/Employee.java:
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 1 | package org.example.Inheritance_Challenge;
 2 | 
 3 | public abstract class Employee extends Worker {
 4 |     private long employee_id;
 5 |     private String hireDate;
 6 |     private static int employeeNo = 1;
 7 | 
 8 |     public Employee(String name, String birthDate, String hireDate) {
 9 |         super(name, birthDate);
10 |         this.employee_id = Employee.employeeNo++;
11 |         this.hireDate = hireDate;
12 |     }
13 | 
14 |     @Override
15 |     public String toString() {
16 |         return "Employee{" +
17 |                 "employee_id=" + employee_id +
18 |                 ", hireDate='" + hireDate + '\'' +
19 |                 "} " + super.toString();
20 |     }
21 | 
22 |     //    public boolean retired(){
23 |     //        if (isRetired = false){
24 |     //            return true;
25 |     //        }return false;
26 |     //    }
27 |         public abstract double collectpay();
28 | }
29 | 


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/My_OOP_practices/src/main/java/org/example/Inheritance_Challenge/HourlyEmployee.java:
--------------------------------------------------------------------------------
 1 | package org.example.Inheritance_Challenge;
 2 | 
 3 | public class HourlyEmployee extends Employee{
 4 |     private double hourlyPayRate;
 5 | 
 6 |     public HourlyEmployee(String name, String birthDate, String hireDate, double hourlyPayRate) {
 7 |         super(name, birthDate, hireDate);
 8 |         this.hourlyPayRate = hourlyPayRate;
 9 |     }
10 | 
11 |     @Override
12 |     public double collectpay() {
13 |         return 40 * hourlyPayRate;
14 |     }
15 | 
16 |     public double getDoublePay(){
17 |         return 2 * collectpay();
18 |     }
19 | }
20 | 


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/My_OOP_practices/src/main/java/org/example/Inheritance_Challenge/Main.java:
--------------------------------------------------------------------------------
 1 | package org.example.Inheritance_Challenge;
 2 | 
 3 | public class Main {
 4 |     public static void main(String[] args) {
 5 |         Employee innocent = new Employee("Innocent", "11/11/1985", "01/01/2020") {
 6 |             @Override
 7 |             public double collectpay() {
 8 |                 return 0;
 9 |             }
10 |         };
11 |         System.out.println(innocent);
12 |         System.out.println("Age " + innocent.getAge());
13 |         System.out.println("Pay " + innocent.collectPay());
14 | 
15 |         SalariedEmployee udo = new SalariedEmployee("Innocent",
16 |                 "02/07/1996", "01/01/2023",3500);
17 |         System.out.println(udo);
18 |         System.out.println("Joe's Paycheck = $" + udo.collectPay());
19 | 
20 |         udo.retired();
21 |         System.out.println("Joe's Pesion Check = $" + udo.collectpay());
22 | 
23 |         HourlyEmployee mary = new HourlyEmployee("Mary", "05/05/1970",
24 |                 "03/03/2021", 15);
25 |         System.out.println(mary);
26 |         System.out.println("Mary's Paycheck = $" + mary.collectpay());
27 |         System.out.println("Mary's Holiday Pay = $" + mary.getDoublePay());
28 | 
29 |     }
30 | }
31 | 


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/My_OOP_practices/src/main/java/org/example/Inheritance_Challenge/SalariedEmployee.java:
--------------------------------------------------------------------------------
 1 | package org.example.Inheritance_Challenge;
 2 | 
 3 | public class SalariedEmployee extends Employee {
 4 |     private double annualSalary;
 5 |     private boolean isRetired;
 6 | 
 7 |     public SalariedEmployee(String name, String birthDate, String hireDate, double annualSalary) {
 8 |         super(name, birthDate, hireDate);
 9 |         this.annualSalary = annualSalary;
10 |     }
11 |     public void retired(){
12 |         terminate("12/12/2025");
13 |         isRetired = true;
14 |     }
15 |     @Override
16 |     public double collectpay(){
17 |         double paycheck = annualSalary / 26;
18 |         double adjustedPay = (isRetired) ? 0.9 * paycheck : paycheck;
19 | 
20 |         return (int) adjustedPay;
21 |     }
22 | 
23 | }
24 | 


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/My_OOP_practices/src/main/java/org/example/Inheritance_Challenge/Worker.java:
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 1 | package org.example.Inheritance_Challenge;
 2 | 
 3 | public class Worker {
 4 |     private String name;
 5 |     private String birthDate;
 6 |     protected String endDate;
 7 |     //private int age;
 8 | 
 9 | 
10 |     public double collectPay(){
11 |         return 0.0;
12 |     }
13 |     public void terminate(String endDate){
14 |         this.endDate = endDate;
15 |     }
16 | 
17 |     public Worker(){}
18 | 
19 |     public Worker(String name, String birthDate) {
20 |         this.name = name;
21 |         this.birthDate = birthDate;
22 |     }
23 | 
24 |     @Override
25 |     public String toString() {
26 |         return "Worker{" +
27 |                 "name='" + name + '\'' +
28 |                 ", birthDate='" + birthDate + '\'' +
29 |                 ", endDate='" + endDate + '\'' +
30 |                 '}';
31 |     }
32 | 
33 | 
34 |     public int getAge() {
35 |         int currentYear = 2023;
36 |         int birthYear = Integer.parseInt(birthDate.substring(6));
37 |         return (currentYear -birthYear);
38 |     }
39 | 
40 | }
41 | 


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/My_OOP_practices/src/test/java/org/example/StudentTest.java:
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 1 | package org.example;
 2 | 
 3 | import static org.junit.jupiter.api.Assertions.*;
 4 | 
 5 | class StudentTest {
 6 | 
 7 |     @org.junit.jupiter.api.Test
 8 |     void addingValues() {
 9 |         Student man = new Student();
10 |         assertEquals(4,man.addingValues(2,2));
11 |     }
12 | 
13 |     @org.junit.jupiter.api.Test
14 |     void testAddingValues() {
15 |         Student man = new Student();
16 |         assertEquals(6, man.addingValues(2,2,2));
17 |     }
18 | 
19 |     @org.junit.jupiter.api.Test
20 |     void testAddingValues1() {
21 |         Student inno = new Student();
22 |         assertEquals(8, inno.addingValues(2,2,2,2));
23 |     }
24 | }


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/My_OOP_practices/target/classes/org/example/Inheritance_Challenge/Employee.class:
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/My_OOP_practices/target/classes/org/example/Inheritance_Challenge/HourlyEmployee.class:
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/My_OOP_practices/target/classes/org/example/Inheritance_Challenge/Main$1.class:
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/My_OOP_practices/target/classes/org/example/Inheritance_Challenge/Main.class:
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/My_OOP_practices/target/classes/org/example/Inheritance_Challenge/SalariedEmployee.class:
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/My_OOP_practices/target/classes/org/example/Inheritance_Challenge/Worker.class:
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/My_OOP_practices/target/classes/org/example/Main.class:
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/My_OOP_practices/target/classes/org/example/PrimarySchoolStudent.class:
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/My_OOP_practices/target/test-classes/org/example/StudentTest.class:
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/Networking/Advance_TCP/DownloadingHTMLfiles.java:
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 1 | package org.example.Networking.Advance_TCP;
 2 | 
 3 | import java.io.BufferedReader;
 4 | import java.io.IOException;
 5 | import java.io.InputStreamReader;
 6 | import java.net.URL;
 7 | import java.net.URLConnection;
 8 | 
 9 | public class DownloadingHTMLfiles {
10 |     public static void main(String[] args) throws IOException {
11 |         try{
12 |             URL url = new URL("https://ocsaly.com");
13 |             URLConnection myUrlConnection = url.openConnection();
14 |             BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(myUrlConnection.getInputStream()));
15 |             String myLine;
16 |             while((myLine=bufferedReader.readLine()) != null){
17 |                 System.out.println(myLine);
18 |             }
19 |         }catch (IOException e){
20 |             System.out.println(e.getMessage());
21 |         }
22 |     }
23 | }
24 | 


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/Networking/Advance_TCP/Main.java:
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 1 | package org.example.Networking.Advance_TCP;
 2 | 
 3 | import java.io.IOException;
 4 | import java.net.InetAddress;
 5 | 
 6 | public class Main {
 7 |     public static void main(String[] args) throws IOException {
 8 | 
 9 |         InetAddress udemyName = InetAddress.getByName("www.udemy.com"); // Getting the internet Address of Udemy
10 |         System.out.println("HOST ADDRESS                        " + udemyName.getHostAddress());
11 |         System.out.println("CANONICAL HOST NAME: " + udemyName.getCanonicalHostName());
12 |         System.out.println("HOST NAME:                              " + udemyName.getHostName());
13 | 
14 |         udemyName.isReachable(1000);
15 |     }
16 | }
17 | 


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/Networking/Advance_TCP/MethodsToReadHTMLfiles.java:
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 1 | package org.example.Networking.Advance_TCP;
 2 | 
 3 | import java.io.IOException;
 4 | import java.io.InputStream;
 5 | import java.net.URL;
 6 | import java.net.URLConnection;
 7 | import java.nio.ByteBuffer;
 8 | import java.nio.channels.Channels;
 9 | import java.nio.channels.ReadableByteChannel;
10 | 
11 | public class MethodsToReadHTMLfiles {
12 | //    URLConnection;
13 | //    ReadableByteChannel;
14 | //    ByteBuffer;
15 | 
16 |     public static void main(String[] args) throws IOException {
17 |         try{
18 |             URL url = new URL("https://ocsaly.com");
19 |             URLConnection urlConnection = url.openConnection();
20 | 
21 |             InputStream inputStream = urlConnection.getInputStream();
22 |             ReadableByteChannel readableByteChannel = Channels.newChannel(inputStream);
23 |             ByteBuffer buffer = ByteBuffer.allocate(64);
24 | 
25 |             String line = null;
26 |             while(readableByteChannel.read(buffer) > 0){
27 |                 System.out.println(new String(buffer.array()));
28 |                 buffer.clear();
29 |             }
30 | 
31 |             readableByteChannel.close();
32 | 
33 |         }catch (IOException e){
34 |             System.out.println(e.getMessage());
35 |         }
36 |     }
37 | }
38 | 


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/Networking/Advance_TCP/PrintingNetworkAdaptor.java:
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 1 | package org.example.Networking.Advance_TCP;
 2 | 
 3 | import java.io.IOException;
 4 | import java.net.NetworkInterface;
 5 | import java.net.SocketException;
 6 | import java.util.Collections;
 7 | import java.util.Enumeration;
 8 | 
 9 | public class PrintingNetworkAdaptor {
10 |     public static void main(String[] args) throws SocketException {
11 |         try{
12 |             Enumeration<NetworkInterface> networkInterfaceEnumeration = NetworkInterface.getNetworkInterfaces();
13 |             System.out.println("Network Display :  \n");
14 |             for(NetworkInterface element : Collections.list(networkInterfaceEnumeration)){
15 |                 System.out.printf("%-8s  %-32s  \n", element.getName(), element.getDisplayName());
16 |             }
17 |         }catch(IOException e){
18 |             e.printStackTrace();
19 |         }
20 |     }
21 | }
22 | 


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/Networking/Advance_TCP/checkInetAddress.java:
--------------------------------------------------------------------------------
 1 | package org.example.Networking.Advance_TCP;
 2 | 
 3 | import java.net.InetAddress;
 4 | import java.net.UnknownHostException;
 5 | 
 6 | public class checkInetAddress {
 7 |     public static void main(String[] args) throws UnknownHostException {
 8 |         InetAddress names[] = InetAddress.getAllByName("udemy.com");
 9 | 
10 |         for(InetAddress name : names){
11 |             System.out.println(name);
12 |         }
13 |     }
14 | }
15 | 


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/Networking/Advance_TCP/checkURI.java:
--------------------------------------------------------------------------------
 1 | package org.example.Networking.Advance_TCP;
 2 | 
 3 | import java.net.URI;
 4 | import java.net.URISyntaxException;
 5 | 
 6 | public class checkURI {
 7 |     public static void main(String[] args) throws URISyntaxException {
 8 |         URI webURI = new URI("https", "en.wikipedia.org", "/wiki/URL_normalization", "Normalization_Proccess");
 9 |         getURI(webURI);
10 |     }
11 |     static void getURI(URI myUri){
12 |         System.out.println(myUri.getAuthority());
13 |         System.out.println(myUri.getPath());
14 |         System.out.println(myUri.getHost());
15 |         System.out.println(myUri.getPort());
16 |         System.out.println(myUri.getScheme());
17 |         System.out.println(myUri.getQuery());
18 |     }
19 | }
20 | 


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/Networking/Advance_TCP/checkURL.java:
--------------------------------------------------------------------------------
 1 | package org.example.Networking.Advance_TCP;
 2 | 
 3 | import java.net.MalformedURLException;
 4 | import java.net.URL;
 5 | 
 6 | public class checkURL {
 7 |     public static void main(String[] args) throws MalformedURLException {
 8 |         String web = "https://en.wikipedia.org/wiki/URL#Citation";
 9 | 
10 |         URL myUrl = new URL(web);
11 |         getURL(myUrl);
12 |     }
13 |     static void getURL(URL url){
14 |         System.out.println("HOST = " + url.getHost());
15 |         System.out.println("PATH = " + url.getPath());
16 |         System.out.println("REF = " + url.getRef());
17 |     }
18 | }
19 | 


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/Networking/Client.java:
--------------------------------------------------------------------------------
 1 | package org.example.Networking;
 2 | 
 3 | import java.io.*;
 4 | import java.net.Socket;
 5 | 
 6 | public class Client {
 7 |     public static void main(String[] args) {
 8 |         try{
 9 |             new Client();
10 |         }catch(Exception e){
11 |             // Check for the error
12 |         }
13 |     }
14 | 
15 |     public Client() throws IOException {
16 |         Socket socket = new Socket("localhost", 2020);
17 |         System.out.println("Successful connection to the server");
18 | 
19 |         // I/O stream
20 |         BufferedReader inSocket = new BufferedReader(new InputStreamReader(socket.getInputStream()));
21 |         PrintWriter outSocket = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
22 | 
23 |         String message = inSocket.readLine();
24 |         System.out.println("Server says: " + message);
25 |         outSocket.println("Thanks");
26 | 
27 |         socket.close();
28 |         System.out.println("Socket closed.");
29 |     }
30 | }
31 | 


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/Networking/Server.java:
--------------------------------------------------------------------------------
 1 | package org.example.Networking;
 2 | 
 3 | import java.io.*;
 4 | import java.net.ServerSocket;
 5 | import java.net.Socket;
 6 | 
 7 | public class Server {
 8 |     public static void main(String[] args) {
 9 |         try{
10 |             new Server();
11 |         }catch(Exception e){
12 |             //Check out the errors
13 |         }
14 |     }
15 | 
16 |     public Server() throws IOException {
17 |         ServerSocket serverSocket = new ServerSocket(2020); // Opening a new port
18 |         System.out.println("Port 2020 is Open");
19 | 
20 |         Socket socket = serverSocket.accept();
21 |         System.out.println("Client " + socket.getInetAddress() + " has connected");
22 | 
23 |         // I/O Buffer
24 |         BufferedReader inSocket = new BufferedReader(new InputStreamReader(socket.getInputStream()));
25 |         PrintWriter outSocket = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()), true);
26 | 
27 |         outSocket.println("Welcome"); // Send "Welcome" to the Client
28 |         String message = inSocket.readLine(); // Received "Thanks"
29 |         System.out.println("Client says: " + message); // Display client's message is the console
30 | 
31 |         socket.close();
32 |         System.out.println("Socket is closed");
33 | 
34 |     }
35 | }
36 | 


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/Networking/TCP_MultiThreading/Client.java:
--------------------------------------------------------------------------------
 1 | package org.example.Networking.TCP_MultiThreading;
 2 | 
 3 | import java.io.*;
 4 | import java.net.Socket;
 5 | import java.util.Scanner;
 6 | 
 7 | public class Client {
 8 | 
 9 |     public Client() throws IOException {
10 |         Socket socket = new Socket("127.0.0.1", 2020);
11 |         System.out.println("Successful connection to the server");
12 | 
13 |         // I/O stream
14 |         BufferedReader inSocket = new BufferedReader(new InputStreamReader(socket.getInputStream()));
15 |         PrintWriter outSocket = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
16 | 
17 |         Scanner keyboard = new Scanner(System.in);
18 |         String message = inSocket.readLine();
19 |         System.out.println("Server says: " + message);
20 |         message = keyboard.nextLine();
21 |         outSocket.println();
22 | 
23 |         socket.close();
24 |         System.out.println("Socket closed.");
25 |     }
26 |     public static void main(String[] args) {
27 |         try{
28 |             new Client();
29 |         }catch(Exception e){
30 |             // Check for the error
31 |         }
32 |     }
33 | 
34 | 
35 | }
36 | 


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/Networking/TCP_MultiThreading/ServerMain.java:
--------------------------------------------------------------------------------
 1 | package org.example.Networking.TCP_MultiThreading;
 2 | 
 3 | import java.io.IOException;
 4 | import java.net.ServerSocket;
 5 | import java.net.Socket;
 6 | 
 7 | public class ServerMain {
 8 | 
 9 |     public ServerMain() throws IOException {
10 |         ServerSocket serverSocket = new ServerSocket(2020);
11 |         System.out.println("Port 2020 is now Open");
12 | 
13 |         while(true){
14 |             Socket socket = serverSocket.accept();
15 |             ServerThread serverThread = new ServerThread(socket);
16 |             Thread thread = new Thread(serverThread);
17 |             thread.start();
18 |         }
19 |     }
20 | 
21 |     public static void main(String[] args) {
22 |         try{
23 |             new ServerMain();
24 |         }catch (Exception e){
25 |             //checker
26 |             e.printStackTrace();
27 |         }
28 |     }
29 | }
30 | 


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/Networking/TCP_MultiThreading/ServerThread.java:
--------------------------------------------------------------------------------
 1 | package org.example.Networking.TCP_MultiThreading;
 2 | 
 3 | import java.io.BufferedReader;
 4 | import java.io.InputStreamReader;
 5 | import java.io.OutputStreamWriter;
 6 | import java.io.PrintWriter;
 7 | import java.net.Socket;
 8 | 
 9 | public class ServerThread implements Runnable{
10 |     private Socket socket;
11 | 
12 |     public ServerThread(Socket socket) {
13 |         this.socket = socket;
14 |     }
15 | 
16 |     @Override
17 |     public void run() {
18 |         try{
19 |             BufferedReader inSocket = new BufferedReader(new InputStreamReader(socket.getInputStream()));
20 |             PrintWriter outSocket = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()));
21 | 
22 |             outSocket.println("Welcome!! what's your name: ");
23 |             String message = inSocket.readLine();
24 |             System.out.println("Client says: " + message);
25 | 
26 |             socket.close();
27 |             System.out.println("Socket is closed");
28 |         }catch(Exception e){
29 |             // Checker
30 |         }
31 |     }
32 | }
33 | 


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/Object_Oriented_programming_in_Java/CompositionChallenge/Main.java:
--------------------------------------------------------------------------------
 1 | package CompositionChallenge;
 2 | 
 3 | public class Main {
 4 |     public static void main(String[] args) {
 5 |         SmartKitchen kitchen = new SmartKitchen();
 6 | 
 7 |         kitchen.getDishWasher().setHasWorkToDo(true);
 8 |         kitchen.getIceBox().setHasWorkToDo(true);
 9 |         kitchen.getBrewMaster().setHasWorkToDo(true);
10 | 
11 | 
12 |         kitchen.getDishWasher().doDishes();
13 |         kitchen.getIceBox().orderFood();
14 |         kitchen.getBrewMaster().brewCoffee();
15 | 
16 |         System.out.println("\n\n\n\n\n");
17 | 
18 | 
19 |         kitchen.setKitchenState(true, false, true);
20 |         kitchen.doKitchenWork();
21 |     }
22 | }
23 | 


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/Object_Oriented_programming_in_Java/ComputerFactory/ComputerCase.java:
--------------------------------------------------------------------------------
 1 | package ComputerFactory;
 2 | 
 3 | public class ComputerCase extends Product {
 4 |     private String powerSupply;
 5 | 
 6 |     public ComputerCase(String model, String manufacturer) {
 7 |         super(model, manufacturer);
 8 |     }
 9 | 
10 |     public ComputerCase(String model, String manufacturer, String powerSupply) {
11 |         super(model, manufacturer);
12 |         this.powerSupply = powerSupply;
13 |     }
14 | 
15 |     public void pressPowerButton() {
16 |         System.out.println("Power button pressed");
17 |     }
18 | }
19 | 


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/Object_Oriented_programming_in_Java/ComputerFactory/Main.java:
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 1 | package ComputerFactory;
 2 | 
 3 | public class Main {
 4 |     public static void main(String[] args) {
 5 |         ComputerCase theCase = new ComputerCase("2208", "Dell", "240");
 6 |         //Monitor theMonitor = new Monitor("27inch Beast")
 7 |         Motherboard themotherboard = new Motherboard("BJ-220", "Asus", 4,6, "v2.44");
 8 |         Monitor theMonitor = new Monitor("27inch Beast", "Acer", 27, "2540 X 1440");
 9 | 
10 |         PersonalComputer myPC = new PersonalComputer("2208", "Dell", theMonitor, themotherboard, theCase);
11 | 
12 | //        myPC.getMonitor().drawPixelAt(10, 10, "Red");
13 | //        myPC.getMotherboard().loadProgram("Windows");
14 | //        myPC.getComputerCase().pressPowerButton();
15 | 
16 |         myPC.powerUp();
17 |     }
18 | }
19 | 


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/Object_Oriented_programming_in_Java/ComputerFactory/Monitor.java:
--------------------------------------------------------------------------------
 1 | package ComputerFactory;
 2 | 
 3 | public class Monitor extends Product{
 4 |     private int size;
 5 |     private String resolution;
 6 | 
 7 |     public Monitor(String model, String manufacturer) {
 8 |         super(model, manufacturer);
 9 |     }
10 | 
11 |     public Monitor(String model, String manufacturer, int size, String resolution) {
12 |         super(model, manufacturer);
13 |         this.size = size;
14 |         this.resolution = resolution;
15 |     }
16 | 
17 |     public void drawPixelAt(int x, int y, String color) {
18 |         System.out.println(String.format("Drawing pixel at %d,%d in color %s ", x, y, color));
19 |     }
20 | }
21 | 


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/Object_Oriented_programming_in_Java/ComputerFactory/Motherboard.java:
--------------------------------------------------------------------------------
 1 | package ComputerFactory;
 2 | 
 3 | public class Motherboard extends Product {
 4 |     private int ramSlot;
 5 |     private int cardSlot;
 6 |     private String bios;
 7 | 
 8 |     public Motherboard(String model, String manufacturer) {
 9 |         super(model, manufacturer);
10 |     }
11 | 
12 |     public Motherboard(String model, String manufacturer, int ramSlot, int cardSlot, String bios) {
13 |         super(model, manufacturer);
14 |         this.ramSlot = ramSlot;
15 |         this.cardSlot = cardSlot;
16 |         this.bios = bios;
17 |     }
18 | 
19 |     public void loadProgram(String programName) {
20 |         System.out.println("Program " + programName + " is now loading");
21 |     }
22 | }
23 | 


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/Object_Oriented_programming_in_Java/ComputerFactory/PersonalComputer.java:
--------------------------------------------------------------------------------
 1 | package ComputerFactory;
 2 | 
 3 | public class PersonalComputer extends Product{
 4 |     private Monitor monitor;
 5 |     private Motherboard motherboard;
 6 |     private ComputerCase computerCase;
 7 | 
 8 |     public PersonalComputer(String model, String manufacturer, Monitor monitor, Motherboard motherboard, ComputerCase computerCase) {
 9 |         super(model, manufacturer);
10 |         this.monitor = monitor;
11 |         this.motherboard = motherboard;
12 |         this.computerCase = computerCase;
13 |     }
14 | 
15 |     private void drawLogo(){
16 |         monitor.drawPixelAt(1200, 50, "Yellow");
17 |     }
18 | 
19 |     public void powerUp(){
20 |         computerCase.pressPowerButton();
21 |         drawLogo();
22 |     }
23 | 
24 | //    public Monitor getMonitor() {
25 | //        return monitor;
26 | //    }
27 | //
28 | //    public Motherboard getMotherboard() {
29 | //        return motherboard;
30 | //    }
31 | //
32 | //    public ComputerCase getComputerCase() {
33 | //        return computerCase;
34 | //    }
35 | }
36 | 


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/Object_Oriented_programming_in_Java/ComputerFactory/Product.java:
--------------------------------------------------------------------------------
 1 | package ComputerFactory;
 2 | 
 3 | public class Product {
 4 |     private String model;
 5 |     private String manufacturer;
 6 |     private int width;
 7 |     private int height;
 8 |     private int depth;
 9 | 
10 |     public Product(String model, String manufacturer) {
11 |         this.model = model;
12 |         this.manufacturer = manufacturer;
13 |     }
14 | }
15 | 
16 | 


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/Object_Oriented_programming_in_Java/Encapsulation/Main.java:
--------------------------------------------------------------------------------
 1 | package Encapsulation;
 2 | 
 3 | public class Main {
 4 |     public static void main(String[] args) {
 5 | 
 6 |         // ENCAPSULATION ON PLAYER WITHOUT ENCAPSULATION
 7 |         Player_without_Encapsulation player = new Player_without_Encapsulation();
 8 |         player.name = "Innocent";
 9 |         player.health = 20;
10 |         player.weapon = "Sword";
11 | 
12 |         int damage = 10;
13 |         player.loseHealth(damage);
14 |         System.out.println("Remaining health = " + player.healthRemaining());
15 | 
16 |         player.loseHealth(11);
17 |         System.out.println("Remaining health = " + player.healthRemaining());
18 | 
19 |         //ENCAPSULATION ON PLAYER WITH ENCAPSULATION
20 |         Player_with_Encapsulation inno = new Player_with_Encapsulation("Inno");
21 |         System.out.println("Initial health is " + inno.healthRemaining());
22 |         
23 |         
24 |         // ENCAPSULATION CHALLENGE
25 |         Printer printer = new Printer(50, true);
26 |         System.out.println("Initial page count = " + printer.getPagesPrinted());
27 | 
28 |         int pagesPrinted = printer.printPages(5);
29 |         System.out.printf("Current Job Pages: %d, Printer Total: %d %n", pagesPrinted, printer.getPagesPrinted());
30 | 
31 |         pagesPrinted = printer.printPages(10);
32 |         System.out.printf("Current Job Pages: %d, Printer Total: %d %n", pagesPrinted, printer.getPagesPrinted());
33 |         
34 |         
35 |     }
36 | }
37 | 


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/Object_Oriented_programming_in_Java/Encapsulation/Player_with_Encapsulation.java:
--------------------------------------------------------------------------------
 1 | package Encapsulation;
 2 | 
 3 | public class Player_with_Encapsulation {
 4 |     private String fullName;
 5 |     private int healthPercentage;
 6 |     private String weapon;
 7 | 
 8 |     public Player_with_Encapsulation(String fullName) {
 9 |         this(fullName, 100, "sword");
10 |     }
11 | 
12 |     public Player_with_Encapsulation(String fullName, int healthPercentage, String weapon) {
13 |         this.fullName = fullName;
14 |         if (healthPercentage < 0){
15 |             this.healthPercentage = 1;
16 |         }else if(healthPercentage > 100)
17 |             this.healthPercentage = 100;
18 |         else
19 |             this.healthPercentage = healthPercentage;
20 |         this.weapon = weapon;
21 |     }
22 | 
23 |     public void loseHealth(int damage){
24 |         healthPercentage -= damage;
25 |         if(healthPercentage < 0){
26 |             System.out.println("Player knocked out of game");
27 |         }
28 |     }
29 | 
30 |     public int healthRemaining(){
31 |         return healthPercentage;
32 |     }
33 | 
34 |     public void restoreHealth(int extraHealth){
35 |         healthPercentage += extraHealth;
36 |         if (healthPercentage > 100){
37 |             System.out.println("Player restored to 100%");
38 |             healthPercentage = 100;
39 |         }
40 |     }
41 | }
42 | 


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/Object_Oriented_programming_in_Java/Encapsulation/Player_without_Encapsulation.java:
--------------------------------------------------------------------------------
 1 | package Encapsulation;
 2 | 
 3 | public class Player_without_Encapsulation {
 4 |     public String name;
 5 |     public int health;
 6 |     public String weapon;
 7 | 
 8 |     public void loseHealth(int damage){
 9 |         health -= damage;
10 |         if(health < 0){
11 |             System.out.println("Player knocked out of game");
12 |         }
13 |     }
14 | 
15 |     public int healthRemaining(){
16 |         return health;
17 |     }
18 | 
19 |     public void restoreHealth(int extraHealth){
20 |         health += extraHealth;
21 |         if (health > 100){
22 |             System.out.println("Player restored to 100%");
23 |             health = 100;
24 |         }
25 |     }
26 | }
27 | 


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/Object_Oriented_programming_in_Java/Encapsulation/Printer.java:
--------------------------------------------------------------------------------
 1 | package Encapsulation;
 2 | 
 3 | public class Printer {
 4 |     private int tonerLevel;
 5 |     private int pagesPrinted;
 6 |     private boolean duplex;
 7 | 
 8 |     public Printer(int tonerLevel, boolean duplex) {
 9 |         this.pagesPrinted =0;
10 |         this.tonerLevel = (tonerLevel >= 0 && tonerLevel <= 100) ? tonerLevel : -1; // if the toner level is >=0 and <=100, we set it to  tonerLevel, otherwise we set it to -1!
11 |         this.duplex = duplex;
12 |     }
13 | 
14 |     public int addToner(int tonerAmount){
15 |         int tempAmount = tonerAmount + tonerLevel;
16 |         if (tempAmount > 100 || tempAmount <0){
17 |             return -1;
18 |         }
19 |         return (tonerLevel += tonerAmount);
20 |         //(tempAmount > 100 || tempAmount <0) ? -1 : (tonerLevel += tonerAmount) NOT CORRECT? WHY!
21 |     }
22 | 
23 |     public int printPages(int pages){
24 |         int jobPages = (duplex) ? (pages / 2) + (pages % 2) : pages;
25 |         pagesPrinted += jobPages;
26 |         return jobPages;
27 |     }
28 | 
29 |     public int getPagesPrinted() {
30 |         return pagesPrinted;
31 |     }
32 | }
33 | 


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/Object_Oriented_programming_in_Java/OOP_Master_Challenge/DeluxeBurger.java:
--------------------------------------------------------------------------------
 1 | package OOP_Master_Challenge;
 2 | 
 3 | public class DeluxeBurger extends Burger{
 4 |     Item deluxe1;
 5 |     Item deluxe2;
 6 | 
 7 |     public DeluxeBurger(String name, double price){
 8 |         super(name, price);
 9 |     }
10 | 
11 | 
12 |     public void addToppings(String extra1, String extra2, String extra3,
13 |                             String extra4, String extra5) {
14 |         super.addToppings(extra1, extra2, extra3);
15 |         deluxe1 = new Item("TOPPING", extra4, 0);
16 |         deluxe2 = new Item("TOPPING", extra5, 0);
17 |     }
18 | 
19 |     @Override
20 |     public void printItemizedList() {
21 |         super.printItemizedList();
22 |         if (deluxe1 != null){
23 |             deluxe1.printItem();
24 |         }if (deluxe2 != null){
25 |             deluxe2.printItem();
26 |         }
27 |     }
28 | 
29 |     @Override
30 |     public double getExtraPrice(String toppingName) {
31 |         return 0;
32 |     }
33 | }
34 | 


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/Object_Oriented_programming_in_Java/OOP_Master_Challenge/Item.java:
--------------------------------------------------------------------------------
 1 | package OOP_Master_Challenge;
 2 | 
 3 | public class Item {
 4 |     private String type;
 5 |     private String name;
 6 |     private double price;
 7 |     private String size = "MEDIUM";
 8 | 
 9 |     public Item(String type, String name, double price) {
10 |         this.type = type.toUpperCase();
11 |         this.name = name.toUpperCase();
12 |         this.price = price;
13 |     }
14 | 
15 |     public String getName() {
16 |         if(type.equals("SIDE") || (type.equals("SIDE"))){
17 |             return size + " " + name;
18 |         }
19 |         return name;
20 |     }
21 | 
22 |     public double getPrice() {
23 |         return price;
24 |     }
25 | 
26 |     public double getBasePrice(){
27 |         return price;
28 |     }
29 | 
30 |     public double getAdjustedPrice(){
31 |         return switch (size){
32 |             case "SMALL" -> getBasePrice() - 0.5;
33 |             case "LARGE" -> getBasePrice() + 1;
34 |             default -> getBasePrice();
35 |         };
36 |     }
37 | 
38 |     public void setSize(String size) {
39 |         this.size = size;
40 |     }
41 | 
42 |     public static void printItem(String name, double price){
43 |         System.out.printf("%20s:%6.2f%n", name,price);
44 |     }
45 | 
46 |     public void printItem(){
47 |         printItem(getName(), getAdjustedPrice());
48 |     }
49 | 
50 | }
51 | 


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/Object_Oriented_programming_in_Java/OOP_Master_Challenge/Main.java:
--------------------------------------------------------------------------------
 1 | package OOP_Master_Challenge;
 2 | 
 3 | public class Main {
 4 |     public static void main(String[] args) {
 5 | //        Item coke = new Item("drink", "coke", 1.50);
 6 | //        coke.printItem();
 7 | //        coke.setSize("LARGE");
 8 | //        coke.printItem();
 9 | //
10 | //        Item avocado = new Item("Topping", "avocado", 1.50);
11 | //        avocado.printItem();
12 | 
13 | //        Burger burger = new Burger("regular", 4.00);
14 | //        burger.addToppings("BACON", "CHEESE", "MAYO");
15 | //        burger.printItem();
16 | 
17 | //        MealOrder regularMeal = new MealOrder();
18 | //        regularMeal.addBurgerToppings("BACON", "CHEESE", "MAYO");
19 | //        regularMeal.setDrinkSize("LARGE");
20 | //        regularMeal.printItemizedList();
21 | 
22 | //        MealOrder secondMeal = new MealOrder("turkey", "7-ups", "chili");
23 | //        secondMeal.addBurgerToppings("LETTUCE", "CHEESE", "MAYO");
24 | //        secondMeal.setDrinkSize("SMALL");
25 | //        secondMeal.printItemizedList();
26 | 
27 |         MealOrder deluxeMeal = new MealOrder("deluxe", "7-UP", "chili");
28 |         deluxeMeal.addBurgerToppings("AVOCADO", "BACON", "LETTUCE", "CHEESE", "MAYO");
29 |         deluxeMeal.setDrinkSize("SMALL");
30 |         deluxeMeal.printItemizedList();
31 | 
32 |     }
33 | }
34 | 


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/Object_Oriented_programming_in_Java/Polymorphism/Main.java:
--------------------------------------------------------------------------------
 1 | package Polymorphism;
 2 | 
 3 | import java.util.Scanner;
 4 | 
 5 | public class Main {
 6 |     public static void main(String[] args) {
 7 | //        Movie s = new Adventure("Star War");
 8 | //        s.watchMovie();
 9 | //
10 | //
11 | //        Movie  theMovie = Movie.getMovie("C", "Star Wars");
12 | //        theMovie.watchMovie();
13 | 
14 |         Scanner s = new Scanner(System.in);
15 |         while (true){
16 |             System.out.println("Enter Type (A for Adventure, C for Comedy, S for Science Fiction, or Q to quit ");
17 |             String type = s.nextLine();
18 |             if ("Qq".contains(type)){
19 |                 break;
20 |             }
21 |             System.out.print("Enter Movie Title: ");
22 |             String title = s.nextLine();
23 |             Movie movie = Movie.getMovie(type, title);
24 |             movie.watchMovie();
25 |         }
26 |     }
27 | }
28 | 


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/Object_Oriented_programming_in_Java/PolymorphismChallenge/Main.java:
--------------------------------------------------------------------------------
 1 | package PolymorphismChallenge;
 2 | 
 3 | public class Main {
 4 | 
 5 |     public static void main(String[] args) {
 6 |         Car car = new Car("2022 Blue Ferrari 296 GTS");
 7 |         runRace(car);
 8 | 
 9 |         System.out.println("\n\n\n\n");
10 | 
11 |         Car ferrari = new GasPoweredCar("2022 Blue Ferrari 296 GTS", 15.4,6);
12 |         runRace(ferrari);
13 | 
14 | 
15 |         Car tesla = new ElectricCar("2022 Red Tesla Model 3", 568, 75);
16 |         runRace(tesla);
17 | 
18 |         Car ferrariHybrid = new HybridCar("2022 Black Ferrari SF90 Stradale", 16, 8, 8);
19 |         runRace(ferrariHybrid);
20 | 
21 |     }
22 |     public static void runRace(Car car){
23 |         car.startEngine();
24 |         car.drive();
25 |     }
26 | }
27 | 
28 | 


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/Object_Oriented_programming_in_Java/README.md:
--------------------------------------------------------------------------------
1 | # OBJECT ORIENTED PROGRAMMING(OOP) IN JAVA
2 | 
3 | <img src="https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSXRcUSevTa6kxCfGv4rH9EXjMld9etiUFzJA&usqp=CAU" width="1000" height="450">
4 | 


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/PhoneBook/Person.java:
--------------------------------------------------------------------------------
 1 | package org.example.PhoneBook;
 2 | 
 3 | public class Person {
 4 |     private String name;
 5 |     private long phoneNumber;
 6 |     private String email;
 7 |     private String address;
 8 | 
 9 |     public Person(String name, long phoneNumber,
10 |                   String email, String address) {
11 |         this.name = name;
12 |         this.phoneNumber = phoneNumber;
13 |         this.email = email;
14 |         this.address = address;
15 |     }
16 | 
17 |     public String getName() {
18 |         return name;
19 |     }
20 | 
21 |     public void setName(String name) {
22 |         this.name = name;
23 |     }
24 | 
25 |     public long getPhoneNumber() {
26 |         return phoneNumber;
27 |     }
28 | 
29 |     public void setPhoneNumber(long phoneNumber) {
30 |         this.phoneNumber = phoneNumber;
31 |     }
32 | 
33 |     public String getEmail() {
34 |         return email;
35 |     }
36 | 
37 |     public void setEmail(String email) {
38 |         this.email = email;
39 |     }
40 | 
41 |     public String getAddress() {
42 |         return address;
43 |     }
44 | 
45 |     public void setAddress(String address) {
46 |         this.address = address;
47 |     }
48 | 
49 |     public String toString() {
50 |         return "Name: " + name + "\nPhone Number: " + phoneNumber + "\nEmail: " + email + "\nAddress: " + address + "\n";
51 |     }
52 | 
53 | }
54 | 


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/PhoneBook/PersonComparator.java:
--------------------------------------------------------------------------------
 1 | package org.example.PhoneBook;
 2 | 
 3 | import java.util.Comparator;
 4 | 
 5 | public class PersonComparator implements Comparator<Person> {
 6 | 
 7 |     private String field;
 8 | 
 9 |     public PersonComparator(String field){
10 |         this.field = field;
11 |     }
12 | 
13 |     @Override
14 |     public int compare(Person o1, Person o2) {
15 |         switch (field){
16 |             case "name": return o1.getName().compareTo(o2.getName());
17 |             case "phone number": return Long.compare(o1.getPhoneNumber(), o2.getPhoneNumber());
18 |             case "email": return o1.getEmail().compareTo(o2.getEmail());
19 |             case "address": return o1.getAddress().compareTo(o2.getAddress());
20 |             default: return 0;
21 |         }
22 |         //return 0;
23 |     }
24 | }
25 | 


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/Streams/Department.java:
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 1 | package org.example.Streams;
 2 | 
 3 | import java.util.ArrayList;
 4 | import java.util.List;
 5 | 
 6 | public class Department {
 7 | 
 8 |     private String name;
 9 |     private List<Employee> employees;
10 | 
11 |     public Department(String name) {
12 |         this.name = name;
13 |         this.employees = new ArrayList<>();
14 |     }
15 | 
16 |     public void addEmployee(Employee employee){
17 |         employees.add(employee);
18 |     }
19 | 
20 |     public List<Employee> getEmployees(){
21 |         return employees;
22 |     }
23 | }
24 | 
25 | 


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/Streams/Employee.java:
--------------------------------------------------------------------------------
 1 | package org.example.Streams;
 2 | 
 3 | public class Employee {
 4 |     private String name;
 5 |     private int age;
 6 | 
 7 |     public String getName() {
 8 |         return name;
 9 |     }
10 | 
11 |     public void setName(String name) {
12 |         this.name = name;
13 |     }
14 | 
15 |     public int getAge() {
16 |         return age;
17 |     }
18 | 
19 |     public void setAge(int age) {
20 |         this.age = age;
21 |     }
22 | 
23 |     public Employee(String name, int age) {
24 |         this.name = name;
25 |         this.age = age;
26 | 
27 | 
28 |     }
29 |     @Override
30 |     public String toString(){
31 |         return name;
32 |     }
33 | }
34 | 


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/Student_Management_System/pom.xml:
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 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project xmlns="http://maven.apache.org/POM/4.0.0"
 3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5 |     <modelVersion>4.0.0</modelVersion>
 6 | 
 7 |     <groupId>org.example</groupId>
 8 |     <artifactId>Student_Management_System</artifactId>
 9 |     <version>1.0-SNAPSHOT</version>
10 | 
11 |     <properties>
12 |         <maven.compiler.source>17</maven.compiler.source>
13 |         <maven.compiler.target>17</maven.compiler.target>
14 |         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
15 |     </properties>
16 | 
17 | </project>


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/Student_Management_System/src/main/java/org/example/Student.java:
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 1 | package org.example;
 2 | 
 3 | public class Student {
 4 |     private String name;
 5 |     private String email;
 6 |     private int ID;
 7 |     private int age;
 8 |     private double GPA;
 9 | 
10 |     public Student(String name, String email,
11 |                    int ID, int age, double GPA) {
12 |         this.name = name;
13 |         this.email = email;
14 |         this.ID = ID;
15 |         this.age = age;
16 |         this.GPA = GPA;
17 |     }
18 | 
19 |     public String getName() {
20 |         return name;
21 |     }
22 | 
23 |     public String getEmail() {
24 |         return email;
25 |     }
26 | 
27 |     public int getID() {
28 |         return ID;
29 |     }
30 | 
31 |     public int getAge() {
32 |         return age;
33 |     }
34 | 
35 |     public double getGPA() {
36 |         return GPA;
37 |     }
38 | 
39 | //    @Override
40 | //    public String toString() {
41 | //        return "Student{" +
42 | //                "name='" + name + '\'' +
43 | //                ", email='" + email + '\'' +
44 | //                ", ID=" + ID +
45 | //                ", age=" + age +
46 | //                ", GPA=" + GPA +
47 | //                '}';
48 | //    }
49 |     public String toString() {
50 |         return "Name: " + name + "\nID: " + ID + "\nEmail: " + email + "\nGPA: " + GPA + "\n";
51 |     }
52 | }
53 | 


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/Student_Management_System/src/main/java/org/example/StudentComparator.java:
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 1 | package org.example;
 2 | 
 3 | import java.util.Comparator;
 4 | 
 5 | public class StudentComparator implements Comparator<Student> {
 6 |     private String field;
 7 | 
 8 |     public StudentComparator(String field) {
 9 |         this.field = field;
10 |     }
11 | 
12 |     public int compare(Student o1, Student o2){
13 |         switch(field) {
14 |             case "name":
15 |                 return o1.getName().compareTo(o2.getName());
16 |             case "ID":
17 |                 return Integer.compare(o1.getID(), o2.getID());
18 |             case "GPA":
19 |                 return Double.compare(o1.getGPA(), o2.getGPA());
20 |             case "email":
21 |                 return o1.getEmail().compareTo(o2.getEmail());
22 |         }
23 |         return 0;
24 |     }
25 | }
26 | 


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/Student_Management_System/target/classes/org/example/Main.class:
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https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/Student_Management_System/target/classes/org/example/Main.class


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/Student_Management_System/target/classes/org/example/Student.class:
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https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/Student_Management_System/target/classes/org/example/Student.class


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/Student_Management_System/target/classes/org/example/StudentComparator.class:
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https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/Student_Management_System/target/classes/org/example/StudentComparator.class


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/TASK_3/Entities/Customer.java:
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 1 | package org.example.TASK_3.Entities;
 2 | 
 3 | import java.util.ArrayList;
 4 | import java.util.List;
 5 | 
 6 | public class Customer implements Comparable<Customer>{
 7 |     private double wallet;
 8 |     private String name;
 9 |     private List<Product> cart = new ArrayList<>();
10 | 
11 |     public Customer(double wallet, String name, List<Product> cart) {
12 |         this.wallet = wallet;
13 |         this.name = name;
14 |         this.cart = cart;
15 |     }
16 | 
17 |     public double getWallet() {
18 |         return wallet;
19 |     }
20 | 
21 |     public void setWallet(double wallet) {
22 |         this.wallet = wallet;
23 |     }
24 | 
25 |     public String getName() {
26 |         return name;
27 |     }
28 | 
29 |     public void setName(String name) {
30 |         this.name = name;
31 |     }
32 | 
33 |     public List<Product> getCart() {
34 |         return cart;
35 |     }
36 | 
37 |     public void setCart(List<Product> cart) {
38 |         this.cart = cart;
39 |     }
40 | 
41 |     @Override
42 |     public int compareTo(Customer o) {
43 |         return 0;
44 |     }
45 | }
46 | 


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/TASK_3/Entities/CustomerChecker.java:
--------------------------------------------------------------------------------
 1 | package org.example.TASK_3.Entities;
 2 | 
 3 | import java.util.Comparator;
 4 | 
 5 | public class CustomerChecker implements Comparator<CustomerChecker> {
 6 |     private String name;
 7 |     private long quantity;
 8 | 
 9 |     @Override
10 |     public int compare(CustomerChecker o1, CustomerChecker o2) {
11 |         return Long.compare(o2.quantity, o1.quantity);
12 |     }
13 |     public CustomerChecker() {
14 | 
15 |     }
16 | 
17 |     public String getName() {
18 |         return name;
19 |     }
20 | 
21 |     public void setName(String name) {
22 |         this.name = name;
23 |     }
24 | 
25 |     public long getQuantity() {
26 |         return quantity;
27 |     }
28 | 
29 |     public void setQuantity(long quantity) {
30 |         this.quantity = quantity;
31 |     }
32 | 
33 | 
34 | }
35 | 


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/TASK_3/Entities/Product.java:
--------------------------------------------------------------------------------
 1 | package org.example.TASK_3.Entities;
 2 | 
 3 | public class Product {
 4 |     private String name;
 5 |     private String productSize;
 6 |     private long unit;
 7 |     private double unitPrice;
 8 | 
 9 |     public Product(String name, String productSize, long unit, double unitPrice) {
10 |         this.name = name;
11 |         this.productSize = productSize;
12 |         this.unit = unit;
13 |         this.unitPrice = unitPrice;
14 |     }
15 | 
16 |     public String getName() {
17 |         return name;
18 |     }
19 | 
20 |     public void setName(String name) {
21 |         this.name = name;
22 |     }
23 | 
24 |     public String getProductSize() {
25 |         return productSize;
26 |     }
27 | 
28 |     public void setProductSize(String productSize) {
29 |         this.productSize = productSize;
30 |     }
31 | 
32 |     public long getUnit() {
33 |         return unit;
34 |     }
35 | 
36 |     public void setUnit(long unit) {
37 |         this.unit = unit;
38 |     }
39 | 
40 |     public double getUnitPrice() {
41 |         return unitPrice;
42 |     }
43 | 
44 |     public void setUnitPrice(double unitPrice) {
45 |         this.unitPrice = unitPrice;
46 |     }
47 | }
48 | 


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/TASK_3/Services/CustomerTransactionServices.java:
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 1 | package org.example.TASK_3.Services;
 2 | 
 3 | import org.example.TASK_3.Entities.Customer;
 4 | import org.example.TASK_3.Entities.CustomerChecker;
 5 | 
 6 | import java.util.Map;
 7 | import java.util.PriorityQueue;
 8 | import java.util.Queue;
 9 | 
10 | public interface CustomerTransactionServices {
11 |     void addToQueue(Customer customer, CustomerChecker customerChecker);
12 | 
13 |     void buyProduct(Map<String, PriorityQueue<CustomerChecker>> priorityQueueMap, Queue<Customer> customerQueue);
14 | }
15 | 


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/Task3Band4/Entities/Customer.java:
--------------------------------------------------------------------------------
 1 | package org.example.Task3Band4.Entities;
 2 | 
 3 | import java.util.ArrayList;
 4 | import java.util.List;
 5 | 
 6 | public class Customer {
 7 |     private String name;
 8 |     private List<Product> cart = new ArrayList<>();
 9 | 
10 |     public Customer(String name) {
11 |         this.name = name;
12 |     }
13 | 
14 |     public String getName() {
15 |         return name;
16 |     }
17 | 
18 |     public void setName(String name) {
19 |         this.name = name;
20 |     }
21 | 
22 |     public List<Product> getCart() {
23 |         return cart;
24 |     }
25 | 
26 |     public void setCart(Product product) {
27 |         this.cart.add(product);
28 |     }
29 | 
30 |     public void selectProduct(Product product, int quantity){
31 |         product.setUnit(quantity);
32 |         product.setAmount(quantity*product.getUnitPrize());
33 |         cart.add(product);
34 |     }
35 | 
36 |     @Override
37 |     public String toString() {
38 | //        return "Customer{" +
39 | //                "name='" + name + '\'' +
40 | //                ", cart=" + cart +
41 | //                '}' + "\n";
42 |         return "Name: " + name + "\ncart: " + cart + "\n";
43 |     }
44 | }
45 | 


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/Task3Band4/Entities/Main.java:
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 1 | package org.example.Task3Band4.Entities;
 2 | 
 3 | import org.example.Task3Band4.Services.ServiceImpl.PTBQ;
 4 | 
 5 | import java.io.IOException;
 6 | 
 7 | import static org.example.Task3Band4.Entities.ReaderClass.readFile;
 8 | import static org.example.Task3Band4.Entities.Store.*;
 9 | 
10 | public class Main {
11 |     public static void main(String[] args) throws IOException {
12 |         readFile();
13 |         System.out.println(products);
14 |         Customer customer1 = new Customer("Paul");
15 |         customer1.selectProduct(products.get(3), 3);
16 |         customersList.add(customer1);
17 | 
18 |         Customer customer2 = new Customer("David");
19 |         customer2.selectProduct(products.get(2), 2);
20 |         customersList.add(customer2);
21 | 
22 |         Customer customer3 = new Customer("Innocent");
23 |         customer3.selectProduct(products.get(4), 5);
24 |         customersList.add(customer3);
25 | 
26 | //        FIFOImpl fifo = new FIFOImpl();
27 | //        fifo.attendToCustomer();
28 | //        //System.out.println(availableUnit);
29 | 
30 |         PTBQ ptbq = new PTBQ();
31 |         ptbq.attendToCustomer();
32 |         System.out.println(availableUnit);
33 | 
34 |     }
35 | 
36 | 
37 | }


--------------------------------------------------------------------------------
/Task3Band4/Entities/ProducList.csv:
--------------------------------------------------------------------------------
1 | Unit,Description,Unit Price ($),Amount ($)
2 | 150,White - Men's S/S Crew Tee - Small,3.5,525
3 | 200,White - Men's S/S Crew Tee - Medium,3.75,750
4 | 100,White - Men's S/S Crew Tee - Large,4,400
5 | 150,Charcoal - Men's S/S Crew Tee - Small,3.5,525
6 | 200,Charcoal - Men's S/S Crew Tee - Medium,3.75,750
7 | 100,Charcoal - Men's S/S Crew Tee - Large,4,400
8 | 


--------------------------------------------------------------------------------
/Task3Band4/Entities/ReaderClass.java:
--------------------------------------------------------------------------------
 1 | package org.example.Task3Band4.Entities;
 2 | 
 3 | import java.io.BufferedReader;
 4 | import java.io.FileReader;
 5 | import java.io.IOException;
 6 | 
 7 | import static org.example.Task3Band4.Entities.Store.availableUnit;
 8 | import static org.example.Task3Band4.Entities.Store.products;
 9 | 
10 | public class ReaderClass {
11 | 
12 |     public static void readFile() throws IOException {
13 |         String filename = "/Users/mac/IdeaProjects/DOING_HARD_THINGS/src/main/java/org/example/Task3Band4/Entities/ProducList.csv";
14 |         try(BufferedReader bufferedReader = new BufferedReader(new FileReader(filename))) {
15 |             String line;
16 |             while((line = bufferedReader.readLine()) != null){
17 |                 String arr[] = line.split(",");
18 |                 if(arr[0].contains("Unit"))continue;
19 |                 //System.out.println(Arrays.toString(arr));
20 |                 Product product =  new Product();
21 |                 product.setDescription(arr[1]);
22 |                 product.setUnitPrize(Double.parseDouble(arr[2]));
23 |                 product.setAmount(Double.parseDouble(arr[3]));
24 |                 products.add(product);
25 |                 availableUnit.put(arr[1], Integer.valueOf(arr[0]));
26 |             }
27 |             System.out.println(availableUnit);
28 |         };
29 |     }
30 | 
31 |     public static void main(String[] args) throws IOException {
32 |         readFile();
33 |     }
34 | 
35 | 
36 | }
37 | 


--------------------------------------------------------------------------------
/Task3Band4/Entities/Store.java:
--------------------------------------------------------------------------------
 1 | package org.example.Task3Band4.Entities;
 2 | 
 3 | import java.util.ArrayList;
 4 | import java.util.HashMap;
 5 | import java.util.List;
 6 | import java.util.Map;
 7 | 
 8 | public class Store {
 9 |     public static Map<String, Integer> availableUnit = new HashMap<>();
10 |     public static List<Product> products = new ArrayList<>();
11 |     public static List<Customer> customersList = new ArrayList<>();
12 | }
13 | 


--------------------------------------------------------------------------------
/Task3Band4/Services/Sales.java:
--------------------------------------------------------------------------------
1 | package org.example.Task3Band4.Services;
2 | 
3 | public interface Sales {
4 |     void attendToCustomer();
5 | 
6 | }
7 | 


--------------------------------------------------------------------------------
/Task3Band4/Services/ServiceImpl/PTBQ.java:
--------------------------------------------------------------------------------
 1 | package org.example.Task3Band4.Services.ServiceImpl;
 2 | 
 3 | import org.example.Task3Band4.Entities.Customer;
 4 | import org.example.Task3Band4.Entities.Product;
 5 | import org.example.Task3Band4.Services.Sales;
 6 | 
 7 | import java.util.Collections;
 8 | import java.util.PriorityQueue;
 9 | import java.util.Queue;
10 | 
11 | import static org.example.Task3Band4.Entities.Store.customersList;
12 | 
13 | public class PTBQ implements Sales {
14 | public static Queue<Product> productQueue = new PriorityQueue<>(Collections.reverseOrder());
15 |     @Override
16 |     public void attendToCustomer() {
17 |         for ( Customer x : customersList){
18 |             for (Product p : x.getCart()){
19 |                 productQueue.offer(p);
20 |             }
21 |         }
22 |         while (productQueue.peek() != null){
23 |             System.out.println(productQueue.poll());
24 |         }
25 |     }
26 | 
27 |     /** // Task 4: Using Lambda expression
28 |     @Override
29 |     public void attendToCustomer(){
30 |         customersList.forEach(customer -> {customer.getCart()
31 |                 .forEach(product -> {productQueue.offer(product);} );
32 |         });
33 |         productQueue.stream().forEach(System.out::println);
34 |     }*/
35 | }
36 | 


--------------------------------------------------------------------------------
/Task6 Frontend/bg1.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/Task6 Frontend/bg1.jpg


--------------------------------------------------------------------------------
/Task6 Frontend/bg2.jpg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/Task6 Frontend/bg2.jpg


--------------------------------------------------------------------------------
/Task6 Frontend/dashboard.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="en">
 3 | <head>
 4 |     <meta charset="UTF-8">
 5 |     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 6 |     <title>Document</title>
 7 |     <link rel="stylesheet" href="custom.css">
 8 |     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
 9 |     <script src="script.js"></script>
10 |     <script src="https://kit.fontawesome.com/dbc64abf3e.js" crossorigin="anonymous"></script>
11 | </head>
12 | <body>
13 |     <div class="main-content">
14 |         <div class="profile-photo">
15 |             <img src="sample_photo.jpeg" class="profile-photo" alt="">
16 |         </div>
17 |     </div>
18 |     <div class="container-3">
19 |         <button class="btn" id="new-post"> <i class='fas fa-user-edit' style='font-size:24px'></i>  New post</button>
20 |         <textarea id= "post"placeholder="click to enter post" rows="6"></textarea>
21 |           <button class="btn" id="save-post"> <i class='fas fa-paper-plane' style='font-size:24px'></i> Save Post</button>  
22 |     </div>
23 | 
24 | </body>
25 | </html>


--------------------------------------------------------------------------------
/Task6 Frontend/facebook _icon2.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/Task6 Frontend/facebook _icon2.png


--------------------------------------------------------------------------------
/Task6 Frontend/facebook_icon1.png:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/Task6 Frontend/facebook_icon1.png


--------------------------------------------------------------------------------
/Task6 Frontend/index.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html lang="en">
 3 | <head>
 4 |     <meta charset="UTF-8">
 5 |     <meta name="viewport" content="width=device-width, initial-scale=1.0">
 6 |     <title>Document</title>
 7 |     <link rel="stylesheet" href="style.css">
 8 |     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.4/jquery.min.js"></script>
 9 |     <script src="script.js"></script>
10 | </head>
11 | <body>
12 |     <div id="container">
13 |         <button>Click Me</button>
14 |         <video class="video" type="video/mp4" src="tires.mp4" autoplay loop ></video>  
15 |     </div>
16 | 
17 | </body>
18 | </html>


--------------------------------------------------------------------------------
/Task6 Frontend/sample_photo.jpeg:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/Task6 Frontend/sample_photo.jpeg


--------------------------------------------------------------------------------
/Task6 Frontend/script.js:
--------------------------------------------------------------------------------
 1 | $(document).ready(()=>{
 2 |     $("#new-account").click(()=>{
 3 |         $("#container-2").fadeIn(400);
 4 |     });
 5 | 
 6 |     $("#back-to-login").click(()=>{
 7 |         $("#container-2").fadeOut(400);
 8 |     });
 9 |     $("#new-post").click(()=>{
10 |         $("#post").fadeIn(500);
11 |         $("#new-post").hide();
12 |         $("#save-post").fadeIn(600);
13 |     });
14 | });


--------------------------------------------------------------------------------
/Task6 Frontend/style.css:
--------------------------------------------------------------------------------
 1 | *{
 2 |     box-sizing: border-box;
 3 |     padding: 0;
 4 |     margin: 0;
 5 | }
 6 | 
 7 | #container{
 8 |     width: 100%;
 9 |     height: 100vh;
10 |     display: flex;
11 |     align-items: center;
12 |     justify-content: center;
13 | }
14 | 
15 | .sub-cont-over{
16 |     width: 100%;
17 |     height: 100vh;
18 |     background-size: cover;
19 |     background-position: top left;
20 | }
21 | 
22 | .video{
23 | position: fixed;
24 |   right: 0;
25 |   bottom: 0;
26 |   min-width: 100%;
27 |   min-height: 100%;
28 | }
29 | .Sign-up-cont{
30 |     display: flex;
31 |     align-items: center;
32 |     justify-content: center;
33 |     width: 100px;
34 | }
35 | 
36 | #back-to-login{
37 |     display: inline;
38 | }
39 | 
40 | 
41 | 
42 | 
43 | 


--------------------------------------------------------------------------------
/Task6 Frontend/tires.mp4:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Innocentsax/Java_Pathway_and_Challenge/fb860a5e3e87fc48d2b13620ffb86eb91d20cde6/Task6 Frontend/tires.mp4


--------------------------------------------------------------------------------
/WEEK2_TASK/File_Writer.java:
--------------------------------------------------------------------------------
 1 | import java.io.BufferedWriter;
 2 | import java.io.FileWriter;
 3 | import java.io.IOException;
 4 | 
 5 | public class FileWriterIO {
 6 |     public static void main(String[] args) throws IOException {
 7 |         String fileName = "ExampleFile.txt";
 8 |         try(BufferedWriter bufferedWriter =
 9 |                     new BufferedWriter(new FileWriter(fileName, true))){
10 | 
11 |             String dataToWrite = "Gadibia, Student, Java\n" +
12 |                     "Daro, Student, Node\n" +
13 |                     "Dee, Instructor, C++\n";
14 |             bufferedWriter.write(dataToWrite);
15 |             bufferedWriter.close();
16 |         }
17 |         catch (Exception e){
18 |             throw new RuntimeException("Could not write to the file with name: " +
19 |                     ""+fileName+" because, "+e.getMessage());
20 |         }
21 |     }
22 | }
23 | 


--------------------------------------------------------------------------------
/WEEK2_TASK/Teachers.csv:
--------------------------------------------------------------------------------
1 | TeacherID,Email,FirstName,LastName,GradeLevel
2 | gregory01,ogregory+teacher+academy@chalk.com,Oliver,Gregory,2
3 | lloyd01,slloyd+teacher+academy@chalk.com,Shelley,Lloyd,1
4 | osbourne01,lsobourne+teacher+academy@chalk.com,Lee,Osbourne,1
5 | walton01,jwalton+teacher+academy@chalk.com,Joesphine,Walton,3
6 | fernandez01,ifernandez+support+teacher+academy@chalk.com,Inez,Fernandez,4
7 | 


--------------------------------------------------------------------------------
/mySQL_DataBase/Basic_Queries.sql:
--------------------------------------------------------------------------------
 1 | SELECT name, major FROM student ORDER BY name ASC;
 2 | SELECT name, major FROM student ORDER BY name DESC;
 3 | SELECT * FROM student ORDER BY major, student_id DESC;
 4 | SELECT * FROM student LIMIT 2;
 5 | SELECT * FROM student ORDER BY student_id DESC LIMIT 2;
 6 | SELECT * FROM student WHERE major='Biochemisty';
 7 | SELECT * FROM student WHERE major='Biochemisty' OR major='Physics';
 8 | SELECT * FROM student WHERE major='Biochemisty' OR name='Innocent';
 9 | 
10 | /*
11 | < -- LESS THAN
12 | > -- GREATER THAN
13 | <> -- NOT EQUAL
14 | <= -- LESS THAN OR EQUAL TO
15 | >= -- GREATER THAN OR EQUAL TO
16 | */
17 | 
18 | SELECT * FROM student WHERE student_id <=3;
19 | SELECT * FROM student WHERE name IN ('Claire', 'Samuel', 'Innocent')
20 | 


--------------------------------------------------------------------------------
/mySQL_DataBase/CRUD_Operation.sql:
--------------------------------------------------------------------------------
 1 | /*INT     -- Whole Numbers
 2 | DECIMAL(M, N)   -- Decimal Numbers - Exact Value
 3 | VARCHAR(String of character)      -- String of text of length 1
 4 | BLOB            -- Binary Large Object, stores large data
 5 | DATE            -- 'YYYY - MM - DD'
 6 | TIMESTAMP       -- 'YYYY-MM-DD.  HH:MM:SS' - used for recording*/
 7 | 
 8 | CREATE TABLE student (
 9 |     student_id INT PRIMARY KEY,
10 |     name VARCHAR(20),
11 |     major VARCHAR(20)
12 |     /* PRIMARY KEY(student_id) */
13 | );
14 | 
15 | DESCRIBE student; # Display Table
16 | 
17 | DROP TABLE student; #Delete Table
18 | 
19 | ALTER TABLE student ADD gpa DECIMAL(3,2); # Update the Table
20 | 
21 | ALTER TABLE student DROP COLUMN gpa; # Delete a single column
22 | 


--------------------------------------------------------------------------------
/mySQL_DataBase/Company_DataBase/Queries.sql:
--------------------------------------------------------------------------------
 1 | -- Find all employee
 2 | SELECT * FROM employee;
 3 | SELECT * FROM client;
 4 | 
 5 | -- Find all employees ordered by salary
 6 | SELECT * FROM employee ORDER BY salary DESC;
 7 | 
 8 | -- Find all employee ordered by sex then name;
 9 | SELECT * FROM employee ORDER BY sex, first_name, last_name;
10 | 
11 | -- Find the first 5 employees in the table
12 | SELECT * FROM employee LIMIT 5;
13 | 
14 | -- Find the first and last names of all employee
15 | SELECT first_name, last_name FROM employee;
16 | 
17 | -- Find the forename and surnames names of all employees
18 | SELECT first_name AS forename, last_name AS surname FROM employee;
19 | 
20 | -- Find out all the different gender
21 | SELECT DISTINCT sex FROM employee;
22 | 


--------------------------------------------------------------------------------
/mySQL_DataBase/Company_DataBase/employee_Table.sql:
--------------------------------------------------------------------------------
 1 | CREATE TABLE employee(
 2 |     emp_id INT PRIMARY KEY, 
 3 |     first_name VARCHAR(40),
 4 |     last_name VARCHAR(40), 
 5 |     birth_day DATE, sex VARCHAR(1),
 6 |     salary INT, super_id INT, branch_id INT
 7 | );
 8 | 
 9 | ALTER TABLE employee ADD FOREIGN KEY(branch_id)
10 | REFERENCES branch(branch_id) ON DELETE SET NULL;
11 | 
12 | ALTER TABLE employee ADD FOREIGN KEY(super_id)
13 | REFERENCES employee(emp_id) ON DELETE SET NULL;
14 | 


--------------------------------------------------------------------------------
/mySQL_DataBase/DBconnect.sql:
--------------------------------------------------------------------------------
 1 | public class Main {
 2 |     public static void main(String[] args) throws IOException, SQLException, ClassNotFoundException{
 3 | 
 4 |         Main pro  = new Main();
 5 |         pro.createConnection();
 6 | 
 7 | 
 8 |     }
 9 |     void createConnection() throws ClassNotFoundException, SQLException {
10 |         Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/innocent", "root", "Bn19c0248@");
11 |         Statement statement = connection.createStatement();
12 |         ResultSet re = statement.executeQuery("SELECT * FROM client");
13 | 
14 |         while(re.next()){
15 |             String name = re.getString("client_name");
16 |             int client_id = re.getInt("client_id");
17 |             int branch_id = re.getInt("branch_id");
18 | 
19 | 
20 | 
21 |             System.out.println("Client: "+client_id + " ---> " + "Client_name: "+name  + "----> "+  "Branch_name: "+branch_id);
22 |         }
23 |         System.out.println("Database connection is successful");
24 |     }
25 | }
26 | 


--------------------------------------------------------------------------------
/mySQL_DataBase/Inserting_Data.sql:
--------------------------------------------------------------------------------
 1 | #DROP TABLE student;
 2 | CREATE TABLE student(
 3 |     student_id INT AUTO_INCREMENT,
 4 |     name VARCHAR(20),
 5 |     major VARCHAR(20),
 6 |     PRIMARY KEY(student_id)
 7 | );
 8 | SELECT * FROM student;
 9 | 
10 | INSERT INTO student(name, major) VALUES('Jack', 'Biology');
11 | INSERT INTO student(name, major) VALUES('Kate','Sociology');
12 | INSERT INTO student(name, major) VALUES('Innocent', 'Physics');
13 | INSERT INTO student(name, major) VALUES('Samuel', 'Botany');
14 | INSERT INTO student(name, major) VALUES('Oluwa', 'Python');
15 | INSERT INTO student(name, major) VALUES('Chioma', 'Node');
16 | 
17 | #INSERT INTO student VALUES(4, 'Jack', 'Biology');
18 | #INSERT INTO student VALUES(5, 'Mike', 'computer Science');
19 | 


--------------------------------------------------------------------------------
/mySQL_DataBase/Update_Delete.sql:
--------------------------------------------------------------------------------
 1 | SELECT * FROM student;
 2 | 
 3 | UPDATE student
 4 | SET major = 'Bio' WHERE major = 'Biology';
 5 | 
 6 | UPDATE student SET major = 'Phycis'
 7 | WHERE student_id = 2;
 8 | 
 9 | UPDATE student SET name = 'Charles' WHERE student_id=1;
10 | 
11 | UPDATE student SET major='Biochemisty' WHERE major='Bio' OR major='chemistry';
12 | 
13 | # DELETE
14 | DELETE FROM student WHERE student_id=2;
15 | 


--------------------------------------------------------------------------------
/pom.xml:
--------------------------------------------------------------------------------
 1 | <?xml version="1.0" encoding="UTF-8"?>
 2 | <project xmlns="http://maven.apache.org/POM/4.0.0"
 3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4 |          xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
 5 |     <modelVersion>4.0.0</modelVersion>
 6 | 
 7 |     <groupId>org.example</groupId>
 8 |     <artifactId>DOING_HARD_THINGS</artifactId>
 9 |     <version>1.0-SNAPSHOT</version>
10 | 
11 |     <dependencies>
12 |         <dependency>
13 |             <groupId>org.junit.jupiter</groupId>
14 |             <artifactId>junit-jupiter-api</artifactId>
15 |             <version>5.10.0-M1</version>
16 |             <scope>test</scope>
17 |         </dependency>
18 |     </dependencies>
19 | 
20 |     <properties>
21 |         <maven.compiler.source>17</maven.compiler.source>
22 |         <maven.compiler.target>17</maven.compiler.target>
23 |         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
24 |     </properties>
25 | 
26 | </project>


--------------------------------------------------------------------------------
/week_six_facebookClone/src/main/java/com/weeksix/facebookclone/HelloServlet.java:
--------------------------------------------------------------------------------
 1 | package com.weeksix.facebookclone;
 2 | 
 3 | import java.io.*;
 4 | import jakarta.servlet.http.*;
 5 | import jakarta.servlet.annotation.*;
 6 | 
 7 | @WebServlet(name = "helloServlet", value = "/hello-servlet")
 8 | public class HelloServlet extends HttpServlet {
 9 |     private String message;
10 | 
11 |     public void init() {
12 |         message = "Hello World!";
13 |     }
14 | 
15 |     public void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
16 |         response.setContentType("text/html");
17 | 
18 |         // Hello
19 |         PrintWriter out = response.getWriter();
20 |         out.println("<html><body>");
21 |         out.println("<h1>" + message + "</h1>");
22 |         out.println("</body></html>");
23 |     }
24 | 
25 |     public void destroy() {
26 |     }
27 | }


--------------------------------------------------------------------------------
/week_six_facebookClone/src/main/java/dao/PostDao.java:
--------------------------------------------------------------------------------
 1 | package dao;
 2 | 
 3 | import dbConnect.ConnectDatabase;
 4 | import model.Post;
 5 | import model.User;
 6 | 
 7 | import java.sql.Connection;
 8 | import java.sql.PreparedStatement;
 9 | 
10 | public class PostDao {
11 | 
12 |     public static int newPost(Post post, User user){
13 |         int status=0;
14 |         try{
15 |             Connection databaseconnection = ConnectDatabase.connectionToDatabase();
16 |             PreparedStatement ps= databaseconnection.prepareStatement(
17 |                     "insert into Post (post,userId) values (?,?)");
18 |             ps.setString(1, post.getPost());
19 |             ps.setInt(2, user.getUserId());
20 | 
21 |             status=ps.executeUpdate();
22 | 
23 |             databaseconnection.close();
24 |         }catch(Exception ex){ex.printStackTrace();}
25 | 
26 |         return status;
27 |     }
28 | 
29 |     public static Post fetchAllPosts() {
30 |         return null;
31 |     }
32 | }
33 | 


--------------------------------------------------------------------------------
/week_six_facebookClone/src/main/java/dbConnect/ConnectDatabase.java:
--------------------------------------------------------------------------------
 1 | package dbConnect;
 2 | 
 3 | import java.sql.Connection;
 4 | import java.sql.DriverManager;
 5 | 
 6 | public class ConnectDatabase {
 7 |     public static Connection connectionToDatabase(){
 8 |         Connection connectToDatabase = null;
 9 |         try{
10 |           Class.forName("com.mysql.cj.jdbc.Driver");
11 |             connectToDatabase = DriverManager.getConnection("jdbc:mysql://localhost:3306/Innocent","root","Bn19c0248@");
12 |         }catch(Exception e){System.out.println(e);}
13 |         return connectToDatabase;
14 |     }
15 | }
16 | 


--------------------------------------------------------------------------------
/week_six_facebookClone/src/main/java/enums/Gender.java:
--------------------------------------------------------------------------------
1 | package enums;
2 | 
3 | public enum Gender {
4 |     MALE, FEMALE
5 | }
6 | 


--------------------------------------------------------------------------------
/week_six_facebookClone/src/main/java/model/LikeAndUnlike.java:
--------------------------------------------------------------------------------
 1 | package model;
 2 | 
 3 | public class LikeAndUnlike {
 4 |     private int likeId;
 5 |     private int postId;
 6 |     private String userId;
 7 | 
 8 |     public LikeAndUnlike(int likeId, int postId, String userId) {
 9 |         this.likeId = likeId;
10 |         this.postId = postId;
11 |         this.userId = userId;
12 |     }
13 | 
14 |     public int getLikeId() {
15 |         return likeId;
16 |     }
17 | 
18 |     public void setLikeId(int likeId) {
19 |         this.likeId = likeId;
20 |     }
21 | 
22 |     public int getPostId() {
23 |         return postId;
24 |     }
25 | 
26 |     public void setPostId(int postId) {
27 |         this.postId = postId;
28 |     }
29 | 
30 |     public String getUserId() {
31 |         return userId;
32 |     }
33 | 
34 |     public void setUserId(String userId) {
35 |         this.userId = userId;
36 |     }
37 | }
38 | 


--------------------------------------------------------------------------------
/week_six_facebookClone/src/main/java/model/Post.java:
--------------------------------------------------------------------------------
 1 | package model;
 2 | 
 3 | public class Post {
 4 |     private int postId;
 5 |     private User user;
 6 |     private String post;
 7 |     private int likes;
 8 | 
 9 |     public Post(int postId, User user, String post, int likes) {
10 |         this.postId = postId;
11 |         this.user = user;
12 |         this.post = post;
13 |         this.likes = likes;
14 |     }
15 | 
16 |     public Post() {
17 | 
18 |     }
19 | 
20 |     public int getPostId() {
21 |         return postId;
22 |     }
23 | 
24 |     public void setPostId(int postId) {
25 |         this.postId = postId;
26 |     }
27 | 
28 |     public User getUser() {
29 |         return user;
30 |     }
31 | 
32 |     public void setUser(User user) {
33 |         this.user = user;
34 |     }
35 | 
36 |     public String getPost() {
37 |         return post;
38 |     }
39 | 
40 |     public void setPost(String post) {
41 |         this.post = post;
42 |     }
43 | 
44 |     public int getLikes() {
45 |         return likes;
46 |     }
47 | 
48 |     public void setLikes(int likes) {
49 |         this.likes = likes;
50 |     }
51 | 
52 |     @Override
53 |     public String toString() {
54 |         return "Post{" +
55 |                 "postId=" + postId +
56 |                 ", user=" + user +
57 |                 ", post='" + post + '\'' +
58 |                 ", likes=" + likes +
59 |                 '}';
60 |     }
61 | }
62 | 


--------------------------------------------------------------------------------
/week_six_facebookClone/src/main/webapp/WEB-INF/web.xml:
--------------------------------------------------------------------------------
1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <web-app xmlns="https://jakarta.ee/xml/ns/jakartaee"
3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4 |          xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/web-app_5_0.xsd"
5 |          version="5.0">
6 | 
7 | </web-app>


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/week_six_facebookClone/src/main/webapp/css/style.css:
--------------------------------------------------------------------------------
 1 | body {
 2 |     font-family: Arial, sans-serif;
 3 |     background-color: #f0f2f5;
 4 | }
 5 | 
 6 | form {
 7 |     max-width: 400px;
 8 |     margin: 0 auto;
 9 |     background-color: #fff;
10 |     padding: 20px;
11 |     border-radius: 4px;
12 |     box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
13 | }
14 | 
15 | h1 {
16 |     font-size: 24px;
17 |     margin-bottom: 10px;
18 | }
19 | 
20 | input[type="text"],
21 | input[type="email"],
22 | input[type="password"],
23 | select {
24 |     width: 100%;
25 |     padding: 10px;
26 |     margin-bottom: 10px;
27 |     border: 1px solid #ccc;
28 |     border-radius: 4px;
29 |     box-sizing: border-box;
30 | }
31 | 
32 | select {
33 |     height: 34px;
34 | }
35 | 
36 | button {
37 |     width: 100%;
38 |     padding: 10px;
39 |     background-color: #1877f2;
40 |     color: #fff;
41 |     border: none;
42 |     border-radius: 4px;
43 |     cursor: pointer;
44 |     font-size: 16px;
45 | }
46 | 
47 | p {
48 |     font-size: 14px;
49 |     color: #606770;
50 | }
51 | 
52 | a {
53 |     color: #1877f2;
54 |     text-decoration: none;
55 | }
56 | 
57 | a:hover {
58 |     text-decoration: underline;
59 | }
60 | 


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/week_six_facebookClone/src/main/webapp/css/styles.css:
--------------------------------------------------------------------------------
 1 | /* The previous CSS styles remain the same */
 2 | 
 3 | #posts-container {
 4 |     margin-top: 20px;
 5 | }
 6 | 
 7 | .post {
 8 |     background-color: #fff;
 9 |     padding: 10px;
10 |     margin-bottom: 10px;
11 |     box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
12 | }
13 | 
14 | .post-content {
15 |     margin-bottom: 10px;
16 | }
17 | 
18 | .post-likes {
19 |     color: #3b5998;
20 |     cursor: pointer;
21 | }
22 | 
23 | .like-button {
24 |     background-color: transparent;
25 |     border: none;
26 |     color: #3b5998;
27 |     cursor: pointer;
28 | }
29 | 
30 | .like-button:focus {
31 |     outline: none;
32 | }
33 | 


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/week_six_facebookClone/src/main/webapp/homepage.jsp:
--------------------------------------------------------------------------------
 1 | <%--
 2 |   Created by IntelliJ IDEA.
 3 |   User: decagon
 4 |   Date: 23/06/2023
 5 |   Time: 00:51
 6 |   To change this template use File | Settings | File Templates.
 7 | --%>
 8 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
 9 | <%@ page import="model.User" %>
10 | <%@ page import="model.Post" %>
11 | <%@ page import="dao.UserDao" %>
12 | <!DOCTYPE html>
13 | <html>
14 | <head>
15 |     <title>Facebook</title>
16 |     <link rel="stylesheet" type="text/css" href="css/styles.css">
17 |     <link rel="stylesheet" type="text/css" href="css/style.css">
18 | <%--    <script src="js/script.js" defer></script>--%>
19 | </head>
20 | <body>
21 | <header>
22 |     <nav>
23 |         <div class="logo">Facebook</div>
24 |         <ul>
25 |             <li>Home</li>
26 |             <li>Profile</li>
27 |             <li>Messages</li>
28 |         </ul>
29 |     </nav>
30 | </header>
31 | 
32 | <main>
33 |     <div class="content">
34 |         <h1>Welcome to Facebook</h1>
35 | <%--        <h3>${user.firstname}</h3>--%>
36 | 
37 |         <form id="post-form">
38 |             <textarea id="post-input" placeholder="Write a post..."></textarea>
39 |             <button type="submit">Post</button>
40 |         </form>
41 |         <div id="posts-container"></div>
42 |     </div>
43 | </main>
44 | 
45 | <footer>
46 |     <p>&copy; 2023 Facebook. All rights reserved.</p>
47 | </footer>
48 | </body>
49 | </html>
50 | 


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/week_six_facebookClone/src/main/webapp/signin.jsp:
--------------------------------------------------------------------------------
 1 | <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
 2 | 
 3 | <!DOCTYPE html>
 4 | <html>
 5 | <head>
 6 |     <title>JSP - Signin</title>
 7 |     <link rel="stylesheet" type="text/css" href="css/style.css">
 8 | </head>
 9 | <body>
10 | <%-- Other JSP code --%>
11 | 
12 | <c:if test="${not empty error_message}">
13 |     <p>${error_message}</p>
14 | </c:if>
15 | 
16 | <%-- Other JSP code --%>
17 | <form action="<%=request.getContextPath()%>/signin" method="post">
18 |     <%--@declare id="dateofbirth"--%><%--@declare id="gender"--%><h1>Sign In</h1>
19 | 
20 | 
21 |     <p>It's quick and easy.</p>
22 | 
23 | 
24 |     <input type="email" name="email" placeholder="Email Address" required><br>
25 | 
26 |     <input type="password" name="password" placeholder="Password" required><br>
27 | 
28 |     <p>By clicking Sign Up, you agree to our <a href="#">Terms</a> and that you have read our <a href="#">Data Policy</a>, including our <a href="#">Cookie Use</a>.</p>
29 | 
30 |     <button type="submit">Sign In</button>
31 | </form>
32 | <br/>
33 | 
34 | 
35 | <a href="hello-servlet">Hello Servlet</a>
36 | </body>
37 | </html>


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1 | Manifest-Version: 1.0
2 | Created-By: IntelliJ IDEA
3 | Built-By: mac
4 | Build-Jdk: Oracle OpenJDK version 20.0.1
5 | 
6 | 


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1 | <?xml version="1.0" encoding="UTF-8"?>
2 | <web-app xmlns="https://jakarta.ee/xml/ns/jakartaee"
3 |          xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
4 |          xsi:schemaLocation="https://jakarta.ee/xml/ns/jakartaee https://jakarta.ee/xml/ns/jakartaee/web-app_5_0.xsd"
5 |          version="5.0">
6 | 
7 | </web-app>


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 1 | body {
 2 |     font-family: Arial, sans-serif;
 3 |     background-color: #f0f2f5;
 4 | }
 5 | 
 6 | form {
 7 |     max-width: 400px;
 8 |     margin: 0 auto;
 9 |     background-color: #fff;
10 |     padding: 20px;
11 |     border-radius: 4px;
12 |     box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
13 | }
14 | 
15 | h1 {
16 |     font-size: 24px;
17 |     margin-bottom: 10px;
18 | }
19 | 
20 | input[type="text"],
21 | input[type="email"],
22 | input[type="password"],
23 | select {
24 |     width: 100%;
25 |     padding: 10px;
26 |     margin-bottom: 10px;
27 |     border: 1px solid #ccc;
28 |     border-radius: 4px;
29 |     box-sizing: border-box;
30 | }
31 | 
32 | select {
33 |     height: 34px;
34 | }
35 | 
36 | button {
37 |     width: 100%;
38 |     padding: 10px;
39 |     background-color: #1877f2;
40 |     color: #fff;
41 |     border: none;
42 |     border-radius: 4px;
43 |     cursor: pointer;
44 |     font-size: 16px;
45 | }
46 | 
47 | p {
48 |     font-size: 14px;
49 |     color: #606770;
50 | }
51 | 
52 | a {
53 |     color: #1877f2;
54 |     text-decoration: none;
55 | }
56 | 
57 | a:hover {
58 |     text-decoration: underline;
59 | }
60 | 


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/week_six_facebookClone/target/facebookClone-1.0-SNAPSHOT/css/styles.css:
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 1 | /* The previous CSS styles remain the same */
 2 | 
 3 | #posts-container {
 4 |     margin-top: 20px;
 5 | }
 6 | 
 7 | .post {
 8 |     background-color: #fff;
 9 |     padding: 10px;
10 |     margin-bottom: 10px;
11 |     box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
12 | }
13 | 
14 | .post-content {
15 |     margin-bottom: 10px;
16 | }
17 | 
18 | .post-likes {
19 |     color: #3b5998;
20 |     cursor: pointer;
21 | }
22 | 
23 | .like-button {
24 |     background-color: transparent;
25 |     border: none;
26 |     color: #3b5998;
27 |     cursor: pointer;
28 | }
29 | 
30 | .like-button:focus {
31 |     outline: none;
32 | }
33 | 


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/week_six_facebookClone/target/facebookClone-1.0-SNAPSHOT/homepage.jsp:
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 1 | <%--
 2 |   Created by IntelliJ IDEA.
 3 |   User: decagon
 4 |   Date: 23/06/2023
 5 |   Time: 00:51
 6 |   To change this template use File | Settings | File Templates.
 7 | --%>
 8 | <%@ page contentType="text/html;charset=UTF-8" language="java" %>
 9 | <%@ page import="model.User" %>
10 | <%@ page import="model.Post" %>
11 | <%@ page import="dao.UserDao" %>
12 | <!DOCTYPE html>
13 | <html>
14 | <head>
15 |     <title>Facebook</title>
16 |     <link rel="stylesheet" type="text/css" href="css/styles.css">
17 |     <link rel="stylesheet" type="text/css" href="css/style.css">
18 | <%--    <script src="js/script.js" defer></script>--%>
19 | </head>
20 | <body>
21 | <header>
22 |     <nav>
23 |         <div class="logo">Facebook</div>
24 |         <ul>
25 |             <li>Home</li>
26 |             <li>Profile</li>
27 |             <li>Messages</li>
28 |         </ul>
29 |     </nav>
30 | </header>
31 | 
32 | <main>
33 |     <div class="content">
34 |         <h1>Welcome to Facebook</h1>
35 | <%--        <h3>${user.firstname}</h3>--%>
36 | 
37 |         <form id="post-form">
38 |             <textarea id="post-input" placeholder="Write a post..."></textarea>
39 |             <button type="submit">Post</button>
40 |         </form>
41 |         <div id="posts-container"></div>
42 |     </div>
43 | </main>
44 | 
45 | <footer>
46 |     <p>&copy; 2023 Facebook. All rights reserved.</p>
47 | </footer>
48 | </body>
49 | </html>
50 | 


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/week_six_facebookClone/target/facebookClone-1.0-SNAPSHOT/signin.jsp:
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 1 | <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8" %>
 2 | 
 3 | <!DOCTYPE html>
 4 | <html>
 5 | <head>
 6 |     <title>JSP - Signin</title>
 7 |     <link rel="stylesheet" type="text/css" href="css/style.css">
 8 | </head>
 9 | <body>
10 | <%-- Other JSP code --%>
11 | 
12 | <c:if test="${not empty error_message}">
13 |     <p>${error_message}</p>
14 | </c:if>
15 | 
16 | <%-- Other JSP code --%>
17 | <form action="<%=request.getContextPath()%>/signin" method="post">
18 |     <%--@declare id="dateofbirth"--%><%--@declare id="gender"--%><h1>Sign In</h1>
19 | 
20 | 
21 |     <p>It's quick and easy.</p>
22 | 
23 | 
24 |     <input type="email" name="email" placeholder="Email Address" required><br>
25 | 
26 |     <input type="password" name="password" placeholder="Password" required><br>
27 | 
28 |     <p>By clicking Sign Up, you agree to our <a href="#">Terms</a> and that you have read our <a href="#">Data Policy</a>, including our <a href="#">Cookie Use</a>.</p>
29 | 
30 |     <button type="submit">Sign In</button>
31 | </form>
32 | <br/>
33 | 
34 | 
35 | <a href="hello-servlet">Hello Servlet</a>
36 | </body>
37 | </html>


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