1. Open Notepad.
2. Type: public class HelloWorld { public static void main(String[] args) { System.out.println("Hello World"); } }
3. Save the file as HelloWorld.java in a folder you can find (for example C:\JavaPrograms\Hello).
4. Open Command Prompt.
5. Change to the folder: cd C:\JavaPrograms\Hello
6. Compile: javac HelloWorld.java
7. Run: java HelloWorld
8. You should see Hello World printed.