├── 05 - A Hello World Program └── src │ └── Application.java ├── 06 - Using Variables └── src │ └── Application.java ├── 07 - Strings - Working With Text └── src │ └── Application.java ├── 08 - While Loops └── src │ └── Application.java ├── 09 - For Loops └── src │ └── Application.java ├── 10 - if └── src │ └── Application.java ├── 11 - Getting User Input └── src │ └── App.java ├── 12 - Do While └── src │ └── App.java ├── 13 - Switch └── src │ └── Application.java ├── 14 - Arrays └── src │ └── App.java ├── 15 - Arrays of Strings └── src │ └── App.java ├── 16 - Multi-Dimensional Arrays └── src │ └── App.java ├── 17 - Classes and Objects └── src │ └── App.java ├── 18 - Methods └── src │ └── App.java ├── 19 - Getters and Return Values └── src │ └── App.java ├── 20 - Method Parameters └── src │ └── App.java ├── 22 - Constructors └── src │ └── App.java ├── 23 - Static (and Final) └── src │ └── App.java ├── 24 - StringBuilder and String Formatting └── src │ └── App.java ├── 25 - The toString Method └── src │ └── App.java ├── 26 - Inheritance └── src │ ├── App.java │ ├── Car.java │ └── Machine.java ├── 27 - Packages └── src │ ├── App.java │ ├── com │ └── caveofprogramming │ │ └── oceangame │ │ └── Aquarium.java │ └── ocean │ ├── Fish.java │ └── plants │ ├── Algae.java │ └── Seaweed.java ├── 28 - Interfaces └── src │ ├── App.java │ ├── IStartable.java │ ├── Info.java │ ├── Machine.java │ └── Person.java ├── 29 - Public,Private,Protected └── src │ ├── App.java │ ├── Grass.java │ └── world │ ├── Field.java │ ├── Oak.java │ └── Plant.java ├── 30 - Polymorphism └── src │ ├── App.java │ ├── Plant.java │ └── Tree.java ├── 31 - Encapsulation and the API Docs └── src │ └── App.java ├── 32 - Casting Numerical Values └── src │ └── App.java ├── 33 - Upcasting and Downcasting └── src │ └── App.java ├── 34 - Using Generics └── src │ └── App.java ├── 35 - Generics and Wildcards └── src │ └── App.java ├── 36 - Anonymous Classes └── src │ └── App.java ├── 37 - Reading Files using Scanner └── src │ └── App.java ├── 38 - Handling exceptions └── src │ ├── demo1 │ └── App.java │ ├── demo2 │ └── App.java │ └── demo3 │ └── App.java ├── 39 - Multiple Exceptions └── src │ ├── App.java │ └── Test.java ├── 40 - Runtime vs. checked Exceptions └── src │ └── App.java ├── 41 - Abstract Classes └── src │ ├── App.java │ ├── Camera.java │ ├── Car.java │ └── Machine.java ├── 42 - Reading Files With File Reader └── src │ └── App.java ├── 43 - Try With Resources └── src │ ├── App.java │ └── App2.java ├── 44 - Creating and Writing Text Files ├── src │ └── App.java └── test.txt ├── 45 - The equals() Method └── src │ └── App.java ├── 46 - Inner Classes └── src │ ├── App.java │ └── Robot.java ├── 47 - Enum Types - Basic and Advanced Usage └── src │ ├── Animal.java │ └── App.java ├── 48 - Recursion - A useful trick up your sleeve └── src │ └── App.java ├── 49 - Serialization - Saving Objects to Files ├── people.bin └── src │ ├── Person.java │ ├── ReadObjects.java │ └── WriteObjects.java ├── 50 - Serializing Arrays ├── src │ ├── Person.java │ ├── ReadObjects.java │ └── WriteObjects.java └── test.ser ├── 51 - ArrayList - Arrays the Easy Way └── src │ └── App.java ├── 52 - Linked Lists └── src │ └── App.java ├── 53 - HashMaps - Retrieving Objects via a Key └── src │ └── App.java ├── 54 - Sorted Maps └── src │ └── App.java ├── 55 - Sets └── src │ └── App.java ├── 56 - Using Custom Objects in Sets and as Keys in Maps └── src │ └── App.java ├── 57 - Sorting Lists └── src │ └── App.java ├── 58 - Natural Ordering └── src │ └── App.java ├── 59 - Queues └── src │ └── App.java ├── 60 - Using Iterators └── src │ └── App.java ├── 61 - Implementing Iterable └── src │ └── UrlLibrary.java ├── 62 - Deciding Which Collections to use └── src │ └── App.java ├── 63 - Complex Data Structures └── src │ └── App.java └── README.md /05 - A Hello World Program/src/Application.java: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/caveofprogramming/java-beginners/HEAD/05 - A Hello World Program/src/Application.java -------------------------------------------------------------------------------- /06 - Using Variables/src/Application.java: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/caveofprogramming/java-beginners/HEAD/06 - 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Packages/src/ocean/plants/Algae.java: -------------------------------------------------------------------------------- 1 | package ocean.plants; 2 | 3 | public class Algae { 4 | 5 | } 6 | -------------------------------------------------------------------------------- /27 - Packages/src/ocean/plants/Seaweed.java: -------------------------------------------------------------------------------- 1 | package ocean.plants; 2 | 3 | public class Seaweed { 4 | 5 | } 6 | -------------------------------------------------------------------------------- /28 - Interfaces/src/App.java: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/caveofprogramming/java-beginners/HEAD/28 - Interfaces/src/App.java -------------------------------------------------------------------------------- /28 - Interfaces/src/IStartable.java: -------------------------------------------------------------------------------- https://raw.githubusercontent.com/caveofprogramming/java-beginners/HEAD/28 - 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