Traditional "Hello world!" Program

      // General Information
      // ------------------------------------------------------------

      // File:  HelloWorld.java
      // Type:  java application file
      // Date:  Tue Mar 26, 1996
      // Name:  blue
      // Line:  Traditional starter


      // Application Description
      // ------------------------------------------------------------

      /*

         Print the message "Hello world!" to the standard output
         stream.

      */


      // Required Packages
      // ------------------------------------------------------------

         import blue.io.*;


      // Application Class
      // ------------------------------------------------------------

         class HelloWorld
         {
            static public void main (String args[])
            {
               IO.println("Hello world!");
            }
         }


      // Demo
      // ------------------------------------------------------------

      /*

         indigo> javac HelloWorld.java
         indigo> java HelloWorld
         Hello world!
         indigo> 

      */