├── ActionMovie.java
├── ComArray.java
├── Heirarchial.java
├── Hello.java
├── IronMan.java
├── IterateArray.java
├── IterateCom.java
├── MovieImpl.java
├── MultiDimArray.java
├── SuperHero.java
├── add.java
├── addition.java
├── addsubimpl.java
├── arithemtic.java
├── armstrongimpl.java
├── comparision.java
├── concatenate.java
├── enhancedfor.java
├── favsuperhero.java
├── fifth.class
├── forth.class
├── movie.java
├── multilevel.java
├── nestedif.java
├── second.class
├── stdfact.java
├── stringB.java
├── stringcomp.java
├── stringexam.java
├── studentImpl.java
├── subtraction.java
├── third.class
├── typcast.java
└── whileexam.java


/ActionMovie.java:
--------------------------------------------------------------------------------
 1 | public class ActionMovie extends movie{
 2 |     private String mainActor;
 3 |     public ActionMovie(String title,int year,String mainActor){
 4 |  super(title,year);
 5 |  this.mainActor=mainActor;
 6 | }
 7 | public void disp(){
 8 |     super.display();
 9 |       System.out.println("main actor"+mainActor);
10 | }}


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/ComArray.java:
--------------------------------------------------------------------------------
 1 | public class ComArray{
 2 |                  int[] arr3={4,7,3,9,2};
 3 |                     public static void main(String[] args) {
 4 | int[] arr1={4,7,3,9,2};
 5 | int[] arr2={3,2,12,9,40,32,4};
 6 | for(int i=0;i<arr1.length;i++){
 7 |            for (int j=0;j<arr2.length;j++){
 8 |               if(arr1[i]==arr2[j]){
 9 |                     System.out.println(arr1[i]);
10 |                                 }
11 |                           }
12 |                    }
13 |               }
14 | }


--------------------------------------------------------------------------------
/Heirarchial.java:
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 1 | class SuperHero{
 2 | String name;
 3 | String power;
 4 |   public SuperHero(String name,String power){
 5 | this.name=name;
 6 | this.power=power;
 7 | }
 8 | public void usepower()
 9 | {
10 | System.out.println(name+"uses"+power);
11 | }
12 | }
13 | class Ironman extends SuperHero{
14 | 
15 | public Ironman(String name)
16 | {
17 | super(name,"Advanced technology");
18 | }
19 | }
20 | class Spiderman extends SuperHero{
21 | public Spiderman(String name){
22 | super(name,"webg-slingling and spider-like abilities");
23 | }
24 | }
25 | public class Heirarchial{
26 |            public static void main(String[]  args){
27 | 
28 |                    Ironman ironman=new Ironman("ironman");
29 |                   Spiderman spiderman=new Spiderman("spider man");
30 |                  ironman.usepower();
31 |                  spiderman.usepower();
32 | }
33 | }
34 | 
35 | 
36 | 


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/Hello.java:
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1 | class Hello
2 | {
3 |    public static void main(String[] args)
4 |    {
5 |      System.out.println("Hello World!");
6 |    }
7 | }


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/IronMan.java:
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 1 | class IronMan extends SuperHero{
 2 |   String mov;
 3 |   IronMan(String name,String pwr,String bhvr,int ag,String moviename){
 4 |     super(name,pwr,bhvr,ag);
 5 |    this.mov=moviename;
 6 | }
 7 | void display(){
 8 | super.display();
 9 | System.out.println("moviename:"+mov);
10 | }
11 | }


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/IterateArray.java:
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 1 | class IterateArray{
 2 |    public static void main(String[] ar){
 3 |              int[] arr={1,2,4,5,6,7};
 4 |                System.out.println("elements are");
 5 |                for( int i=0;i<arr.length;i++){
 6 | 
 7 |                System.out.println(arr[i]);
 8 | }
 9 | }
10 | }
11 | 


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/IterateCom.java:
--------------------------------------------------------------------------------
 1 | class IterateCom{
 2 |    public static void main(String[] ar){
 3 |              int[] arr={1,2,4,5,6,7};
 4 |               ComArray co=new ComArray();
 5 |              System.out.println("array 3 elements:");
 6 |               for(int l:co.arr3){
 7 |                       System.out.println(l);
 8 |                      }
 9 | 
10 |                ComArray.main(null);
11 |                System.out.println("elements are");
12 |                for( int i=0;i<arr.length;i++){
13 | 
14 |                System.out.println(arr[i]);
15 | }
16 | }
17 | }
18 | 


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/MovieImpl.java:
--------------------------------------------------------------------------------
1 | public class MovieImpl{
2 |  public static void main(String[] args){
3 |  movie mv=new movie("Assassin Creed",2016);
4 |  mv.display();
5 |  ActionMovie am=new ActionMovie("Max payne",2008,"mark wahlberg");
6 |         am.display();
7 |  }
8 | }


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/MultiDimArray.java:
--------------------------------------------------------------------------------
 1 | import java.util.*;
 2 | class MultiDimArray{
 3 |            public static void main(String[] ar){
 4 |                int marks[][]=new int[10][2];
 5 | Scanner sc=new Scanner(System.in);
 6 | System.out.println("enter roll no and marks:");
 7 | for(int i=0;i<marks.length;i++){
 8 |            System.out.println("rollno:");
 9 |            marks[i][0]=sc.nextInt();
10 |            System.out.println("marks");
11 |            marks[i][1]=sc.nextInt();
12 |  }
13 |  for(int j=0;j<marks.length;j++){
14 | System.out.println("roll no:"+marks[j][0]+"marks"+marks[j][1]);
15 | }
16 | }
17 | }
18 | 


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/SuperHero.java:
--------------------------------------------------------------------------------
 1 | class SuperHero{
 2 |  String sname,spower,behavior;
 3 |   int age;
 4 |  SuperHero(String name,String pwr,String bhvr,int ag){
 5 |           this.sname=name;
 6 |           this.spower=pwr;
 7 |           this.behavior=bhvr;
 8 |           this.age=ag;
 9 | }
10 |  void display(){
11 |   System.out.println("your hero is:");
12 |  System.out.println("name:"+sname);
13 |  System.out.println("spower:"+spower);
14 |  System.out.println("behaviour"+behavior);
15 |  System.out.println("age:"+age);
16 | }
17 | 
18 | }


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/add.java:
--------------------------------------------------------------------------------
1 | class add 
2 | {
3 |   public static void main (String[] args)
4 |   {
5 |    int a=3,b=6;
6 |    System.out.println("Addition of "+a+"&"+b+" is "+a+b);
7 |   }
8 | }


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/addition.java:
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 1 | package arithmeticop;
 2 | public class addition{
 3 |           private int d1,d2;
 4 |     public addition(int n1,int n2){
 5 |        this.d1=n1;
 6 |         this.d2=n2;
 7 |  }
 8 | public void sum()
 9 | {
10 |   System.out.println("sum of the two numbers is"+(d1+d2));
11 | }
12 | }


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/addsubimpl.java:
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 1 | import arithmeticop.*;
 2 | class addsubimpl{
 3 |         public static void main(String[] args){
 4 |         addition a1=new addition(3,4);
 5 |         a1.sum();
 6 |         subtraction s1=new subtraction(5,4);
 7 |         s1.difference();
 8 | }
 9 | }
10 | 


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/arithemtic.java:
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 1 | class arithemtic
 2 | {
 3 |   public static void main (String[] args)
 4 |   {
 5 |    int a=5,b=15;
 6 |    System.out.println("Addition of "+a+" & "+b+" is "+(a+b));
 7 |    System.out.println("Subtraction of "+a+" & "+b+" is "+(a-b));
 8 |    System.out.println("Multiplication of "+a+" & "+b+" is "+(a*b));
 9 |    System.out.println("Division of "+a+" & "+b+" is "+(a/b));
10 |    System.out.println("Qoutient of "+a+" & "+b+" is "+(a%b));
11 |   }
12 | }


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/armstrongimpl.java:
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 1 | import java.util.*;
 2 | public class armstrongimpl{
 3 | public static void main(String[] ar){
 4 | int sum=0,n,orn;
 5 | Scanner sc=new Scanner(System.in);
 6 | System.out.println("enter the number:");
 7 | n=sc.nextInt();
 8 | orn=n;
 9 | while(orn!=0){
10 | int rem=orn%10;
11 | sum+=rem*rem*rem;
12 | orn/=10;
13 | }
14 | if(sum==n)
15 | {
16 | System.out.println("the entered num is an armstrong");
17 | }
18 | else
19 | {
20 | System.out.println("the entered number is not armstrong");
21 | }
22 | sc.close();
23 | }
24 | }
25 | 
26 | 


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/comparision.java:
--------------------------------------------------------------------------------
 1 | import java.util.Scanner;
 2 | class comparision{
 3 |              public static void main(String[] args){
 4 |                    Scanner sc=new Scanner(System.in);
 5 |                  // System.out.println("enter your name:");
 6 |                  //String nam=sc.nextLine();
 7 |        String sch=new String("python");
 8 | 
 9 | 
10 |              if(sch.equals("python"))
11 |       {
12 |          System.out.println("good choice");
13 |       }
14 |             else
15 |   {
16 |  System.out.println("bad choice");
17 |   }
18 | }
19 | }


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/concatenate.java:
--------------------------------------------------------------------------------
 1 | class concatenate{
 2 |            public static void main(String[] args)
 3 | {
 4 |            String first="java";
 5 |            String second="lab";
 6 |            String complete=first.concat(second);
 7 |            System.out.println(complete);
 8 |            String names="james";
 9 |            String lname="gosling";
10 |            String auth=names+lname;
11 |            System.out.println(auth);
12 | }
13 | }
14 | 


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/enhancedfor.java:
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1 | class enhancedfor{
2 |        public static void main(String[] args){
3 |        int[] marks={10,20,30,40,50};
4 |          for(int i:marks){
5 |                   System.out.println("marks are"+i);
6 |              }
7 | }
8 | }


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/favsuperhero.java:
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1 | class favsuperhero{
2 |   public static void main(String[] args){
3 |  IronMan im=new IronMan("Iron man","fly","jovial",55,"avengers");
4 |   im.display();
5 | }
6 | 
7 | }


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/fifth.class:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Chakinamnithya/javalab/36fde62f26eb24f97c4dc7e0013306de9c928b51/fifth.class


--------------------------------------------------------------------------------
/forth.class:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Chakinamnithya/javalab/36fde62f26eb24f97c4dc7e0013306de9c928b51/forth.class


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/movie.java:
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 1 | public class movie{
 2 |  String title;
 3 |  int year_of_release;
 4 | movie(String title,int year){
 5 |      this.title=title;
 6 |      this.year_of_release=year;
 7 | }
 8 | public void display(){
 9 |   System.out.println("title:"+title);
10 | 
11 | System.out.println("year:"+year_of_release);
12 | }
13 | }


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/multilevel.java:
--------------------------------------------------------------------------------
 1 | class bicycle
 2 | {
 3 |        void displayFeatures(){
 4 |        System.out.println("features:pedals,manual power");
 5 | }
 6 | }
 7 | 
 8 | class motorbike extends bicycle{
 9 |         void displayFeatures()
10 |          {
11 |                 super.displayFeatures();
12 |                  System.out.println("added feature by motorbike: engine");
13 | }
14 | }
15 |  class electricBike extends motorbike{
16 |  void displayFeatures(){
17 |  super.displayFeatures();
18 |  System.out.println("new feature by electric bike:electric motor and battery");
19 | }
20 | }
21 |  class multilevel{
22 |   public static void main(String args[]){
23 |  electricBike myEbike=new electricBike();
24 |  myEbike.displayFeatures();
25 | }
26 | }
27 | 


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/nestedif.java:
--------------------------------------------------------------------------------
 1 | public class nestedif{
 2 |     public static void main(String[] args){
 3 |       java.util.Scanner sc=new java.util.Scanner(System.in);
 4 |       System.out.println("enter your favorite iconic character:");
 5 |       String act=sc.nextLine();
 6 |       if(act.equals("iron man")){
 7 |          System.out.println("great choice");
 8 |          System.out.println("enter"+act+"rael name");
 9 |          String reall=sc.nextLine();
10 |          if(reall.equalsIgnoreCase("tony stark")){
11 |                  System.out.println("cool actor");
12 |               }
13 | }
14 | else
15 | {
16 |    System.out.println(act);
17 | }
18 | sc.close();
19 | }
20 | }
21 | 
22 |    


--------------------------------------------------------------------------------
/second.class:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Chakinamnithya/javalab/36fde62f26eb24f97c4dc7e0013306de9c928b51/second.class


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/stdfact.java:
--------------------------------------------------------------------------------
 1 | public class stdfact{
 2 |     public static void main(String[] args){
 3 |        student s=new student("james","7081");
 4 | factimpl.main(null);
 5 |          s.display();
 6 |      }
 7 | }
 8 | class student{
 9 | String nam,rn;
10 | student(String name,String rno){
11 | nam=name;
12 | rn=rno;
13 | }
14 | public void display(){
15 | System.out.printf("welcome %s rno is %s\n",nam,rn);
16 | }
17 | }
18 |  


--------------------------------------------------------------------------------
/stringB.java:
--------------------------------------------------------------------------------
1 | class stringB{
2 |            public static void main(String[] args){
3 |                   StringBuffer sb=new StringBuffer("study");
4 |                   System.out.println(sb);
5 |                   sb.append("tonight");
6 |                   System.out.println(sb);
7 | }
8 | }


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/stringcomp.java:
--------------------------------------------------------------------------------
 1 | import java.util.Scanner;
 2 | class stringcomp{
 3 |  public static void main(String[] args){
 4 |  Scanner sc=new Scanner(System.in);
 5 |  System.out.println("enter your name:");
 6 |  String nam=sc.nextLine();
 7 |  if(nam.equals("java")){
 8 |          System.out.println("good choice");
 9 | }
10 | else{
11 |  System.out.println("bad choice");
12 | }
13 | }
14 | }


--------------------------------------------------------------------------------
/stringexam.java:
--------------------------------------------------------------------------------
 1 | class stringexam{
 2 |    public static void main(String[] args){
 3 |     String str="tonight";
 4 |     System.out.println(str.indexOf('u'));
 5 |     System.out.println(str.indexOf('t',3));
 6 |      String substring="ton";
 7 | System.out.println(str.indexOf(substring));
 8 | System.out.println(str.indexOf(substring,7));
 9 | }
10 | }
11 | 


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/studentImpl.java:
--------------------------------------------------------------------------------
 1 | public class studentImpl{
 2 |     public static void main(String[] args){
 3 |        student s=new student("james","7081");
 4 |          s.display();
 5 |      }
 6 | }
 7 | class student{
 8 | String nam,rn;
 9 | student(String name,String rno){
10 | nam=name;
11 | rn=rno;
12 | }
13 | public void display(){
14 | System.out.printf("welcome %s rno is %s\n",nam,rn);
15 | }
16 | }
17 |  


--------------------------------------------------------------------------------
/subtraction.java:
--------------------------------------------------------------------------------
 1 | package arithmeticop;
 2 | public class subtraction{
 3 |     private int d1,d2;
 4 |     public subtraction(int n1,int n2){
 5 |            this.d1=n1;
 6 |            this.d2=n2;
 7 | }
 8 |       public void difference(){
 9 |               System.out.println("difference of two numbers:"+(d1-d2));
10 |         }
11 | }
12 | 
13 |  


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/third.class:
--------------------------------------------------------------------------------
https://raw.githubusercontent.com/Chakinamnithya/javalab/36fde62f26eb24f97c4dc7e0013306de9c928b51/third.class


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/typcast.java:
--------------------------------------------------------------------------------
 1 | class typcast{
 2 | public static void main(String[] args){
 3 | int marks=80;
 4 | long lmv=marks;
 5 | System.out.println("integer value"+marks);
 6 | System.out.println("long value"+lmv);
 7 | /*float d=129.345;
 8 | double inm=(double)d;*/
 9 | double d=129.345;
10 | int inm=(int)d;
11 | System.out.println("double value"+d);
12 | System.out.println("integer value"+inm);
13 | }
14 | }
15 | 
16 | 


--------------------------------------------------------------------------------
/whileexam.java:
--------------------------------------------------------------------------------
 1 | import java.util.*;
 2 | public class whileexam{
 3 |      public static void main(String[] args){
 4 |           Scanner sc=new Scanner(System.in);
 5 |           int i=0;
 6 |           System.out.println("enter the limit");
 7 |           int n=sc.nextInt();
 8 | 
 9 |           System.out.println("enter the marks");
10 |           int marks[]=new int[n];
11 |           while(i<n)
12 |           {
13 |               marks[i]=sc.nextInt();
14 |               i++;
15 |           }
16 |           System.out.println("the marks are:");
17 |           for(int nn:marks)
18 |           {
19 |               System.out.println(nn);
20 |            }
21 |           sc.close();
22 |      }
23 | }
24 |     
25 | 
26 | 


--------------------------------------------------------------------------------