/*
 * File: HelloWorld.java<2>
 * Author: Java, Java, Java
 * Description: This program displays "Hello world!"
 */

public class HelloWorld               // Class header
{                                     // Start of class body

    public static void main(String argv[])  // Main method
    {
        System.out.println("Hello world!");
    } // End of main

} // End of HelloWorld