Getting Started with Java – Setup & Your First Program
1. Introduction – Why Java? Java is one of the most popular programming languages in the world. It’s used to create: Mobile Apps (especially Android) Web Applications Desktop Software Games Enterprise-level applications Why beginners love Java: Platform Independent – Code runs anywhere ( Write Once, Run Anywhere ). Easy to Learn – Syntax is simple and close to English. Huge Community – Tons of tutorials, forums, and help available. 2. How Java Works (In Simple Words) When you write Java code: You write source code → HelloWorld.java Compiler converts it into Bytecode → HelloWorld.class Java Virtual Machine (JVM) runs the bytecode on any OS This is why Java runs on Windows, Mac, Linux, and Android without changes. 3. Setting Up Java on Your Computer Step 1: Install Java JDK (Java Development Kit) Download from Oracle JDK or OpenJDK . Install it like a normal software. Check installation: java -version If it shows a...