/*
 * [Recipe.java]
 *
 * Summary: Demonstrate override and shadow with and without casting.
 *
 * Copyright: (c) 1998-2017 Roedy Green, Canadian Mind Products, http://mindprod.com
 *
 * Licence: This software may be copied and used freely for any purpose but military.
 *          http://mindprod.com/contact/nonmil.html
 *
 * Requires: JDK 1.8+
 *
 * Created with: JetBrains IntelliJ IDEA IDE http://www.jetbrains.com/idea/
 *
 * Version History:
 *  1.0 1996-07-08 initial version
 *  1.1 1998-11-10 add name and address
 */
package com.minpdrod.recipe;

/**
 * Demonstrate override and shadow with and without casting.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.1 1998-11-10 add name and address
 * @since 1996-07-08
 */
public class Recipe
    {
    private static final String EmbeddedCopyright =
            "Copyright: (c) 1996-2017 Roedy Green, Canadian Mind Products, http://mindprod.com";

    public static void main( String[] args )
        {
        // check behaviour of static functions and variables.
        System.out.println( Grandma.name() ); /* Bessie */
        System.out.println( Mom.name() );     /* Rhonda */
        System.out.println( Grandma.age );    /* 70 */
        System.out.println( Mom.age );        /* 30 */
        Grandma grandma = new Grandma();
        Mom mom = new Mom();
        // check out instance behaviour of instance functions and variables.
        System.out.println( grandma.recipe() ); /* light a fire */
        System.out.println( mom.recipe() );     /* open a can */
        System.out.println( grandma.cups );     /* 20 */
        System.out.println( mom.cups );         /* 1 */
        // check out instance behaviour of casted instance functions and variables.
        System.out.println( ( ( Grandma ) mom ).recipe() ); /* open a can !!! */
        System.out.println( ( ( Grandma ) mom ).cups );     /* 20 !!! */
        // check out instance behaviour of variables accessed internally
        System.out.println( grandma.getCups() );         /* 20 */
        System.out.println( mom.getCups() );             /* 20 !!! */
        System.out.println( ( ( Grandma ) mom ).getCups() );  /* 20 !!! */
        } // end main
    } // end class Recipe

class Grandma
    {
    public static int age = 70;

    public int cups = 20;

    String recipe()
        {
        return ( "light a fire,..." );
        }

    public static String name()
        {
        return ( "Bessie" );
        }

    public int getCups()
        {
        return cups;
        }
    } // end class Grandma

class Mom extends Grandma
    {
    public static int age = 30;

    public int cups = 1;

    public static String name()
        {
        return ( "Rhonda" );
        }

    public String recipe()
        {
        return ( "Open a can ..." );
        }
    } // end class Mom