Java Tutorials
Welcome
This track is designed for absolute beginners and scales all the way to architectural considerations. Use the left sidebar to navigate.
Quick Start
// Hello.java
public class Hello {
public static void main(String[] args) {
System.out.println("Hello, Java!");
}
}
// compile
javac Hello.java
// run
java Hello
Tip: Prefer an LTS JDK (17 or 21) to match most production deployments.