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Java

Build powerful applications with the world's most popular language

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Get started with Java programming

Variables & Types

Comments & Output

Perform calculations and comparisons

Arithmetic Operators

Comparison & Logic

Make decisions in your code

If & Else

Switch Statements

Repeat actions efficiently

For Loops

While & Do-While

Organize code into reusable blocks

Defining Methods

Method Overloading

Store collections of data

Creating Arrays

Looping Through Arrays

Work with text in Java

String Basics

String Methods

Build programs with classes and objects

Classes & Objects

Encapsulation

Build on existing classes

Extending Classes

Interfaces

Handle errors gracefully

Try & Catch

Throwing Exceptions