/* * 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;/** This class demonstrates how you might use the Rect class */public class RectTest {    public static void main(String[] args) {        Rect r1 = new Rect(1, 1, 4, 4);    // Create Rect objects        Rect r2 = new Rect(2, 3, 5, 6);        Rect u = r1.union(r2);             // Invoke Rect methods        Rect i = r2.intersection(r1);	        if (u.isInside(r2.x1, r2.y1))   // Use Rect fields and invoke a method            System.out.println("(" + r2.x1 + "," + r2.y1 +			       ") is inside the union");	        // These lines implicitly call the Rect.toString() method        System.out.println(r1 + " union " + r2 + " = " + u);        System.out.println(r1 + " intersect " + r2 + " = " + i);    }}