/* * Copyright (c) 2000 David Flanagan.  All rights reserved. * This code is from the book Java Examples in a Nutshell, 2nd Edition. * It is provided AS-IS, WITHOUT ANY WARRANTY either expressed or implied. * You may study, use, and modify it for any non-commercial purpose. * You may distribute it non-commercially as long as you retain this notice. * For a commercial use license, or to purchase the book (recommended), * visit http://www.davidflanagan.com/javaexamples2. */package com.davidflanagan.examples.classes;import java.awt.*;/** * This class subclasses DrawableRect and adds colors to the rectangle it draws **/public class ColoredRect extends DrawableRect {    // These are new fields defined by this class.     // x1, y1, x2, and y2 are inherited from our super-superclass, Rect.    protected Color border, fill;        /**     * This constructor uses super() to invoke the superclass constructor, and     * also does some initialization of its own.     **/    public ColoredRect(int x1, int y1, int x2, int y2,		       Color border, Color fill)    {        super(x1, y1, x2, y2);        this.border = border;        this.fill = fill;    }        /**     * This method overrides the draw() method of our superclass so that it     * can make use of the colors that have been specified.     **/    public void draw(Graphics g) {        g.setColor(fill);        g.fillRect(x1, y1, (x2-x1), (y2-y1));        g.setColor(border);        g.drawRect(x1, y1, (x2-x1), (y2-y1));    }}