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();

    }

}