Writing First Program

Goal: write, compile, and run your first Java program.

• Create a source file and a class.
• Add the main method.
• Print a short message.
• Compile with javac and run with java.

Class and file

• Create a folder for your project.
• Create a file named Main.java.
• Each Java file typically defines one public class.
• The file name must match the public class name.