Setup Java environment – Download JDK and Setup Eclipse

Installing the JDK

Download the JDK (Java Development Kit) from Oracle or an OpenJDK distribution, install it, and set the JAVA_HOME environment variable so other tools (like Maven and Eclipse) can find it.

Installing Eclipse

Download Eclipse IDE for Java Developers, extract or install it, and launch it, selecting a workspace folder where your projects will be stored.

Verifying the Setup

Run java -version and javac -version in a terminal to confirm the JDK installed correctly, then create a simple "Hello World" Java project in Eclipse to confirm everything works end-to-end.