Core Java Tutorial for Beginners | English | Installation & Basics
🚀 Core Java with Installation & Basics 1. Install Java a. Install JDK → Oracle JDK Downloads b. Install IntelliJ → IntelliJ IDEA Downloads c. Install Eclipse → Eclipse Downloads 2. Sample Code a) Functions A function is a block of code which takes some input, performs operations, and returns output. Functions stored inside classes are called methods . The most important one is main . b) Class A class is a group of objects with common properties. It can contain variables (properties) and methods (functions). Example: class Demo { public static void main (String[] args) { System.out.println( "Hello World!" ); } } c) Variables A variable is a container used to hold data. Each variable must have a unique name (identifier). d) Data Types Data types define the type and size of data associated with variables. This determines the type and size of data associated with variables which is essential to know since different data types occupy different...