package org.apidesign.hello;

 public class ThreeWaysToUseHello {

     // BEGIN: hello.say

     public static void sayHello() {

         Hello hello = new Hello();

         hello.hello();

     }

     // END: hello.say

     // BEGIN: hello.subclass

     private static class MyHello extends Hello {

         @Override

         public void hello() { System.out.println ("Hi"); }

     }

     // END: hello.subclass

     // BEGIN: hello.supercall

     private static class SuperHello extends Hello {

         @Override

         public void hello() { super.hello(); System.out.println("Hello once again"); }

     }

     // END: hello.supercall

     /** shows more ways to use a class. prints four various messages */

     public static void main(String[] args) {

         sayHello();

         new MyHello().hello();

         new SuperHello().hello();

     }

 }