java：对象示例

//转载请标明作者，禁止商业转载。//如果某一行没有注释即为功能太简单，懒得注释。//让电脑自己玩猜字游戏。//一个文件可以有多个类，但只能有一个主类。//文件名必须和主类名相同。public class GameLauncher {public static void main(String[] args) {                    //程序执行入口。GuessGame game = new GuessGame();            //声明对象并申请内存。game.startGame();                        //存取该对象变量。}}public class player {int number = 0;                //声明并初始化。public void guess() {number = (int) (Math.random() * 10);                    //产生随机数。System.out.println("I'm guessing " + number);                //打印。}} public class GuessGame {player p1;           // 声明对象名称与归属类。player p2;           //同上player p3;           //同上public void startGame() {p1 = new player();            //为对象申请内存空间p2 = new player();            //同上p3 = new player();            //同上int guessp1 =null;                //声明局部变量类型并初始化int guessp2 = null;                //同上int guessp3 = null;                //同上boolean p1isRight = false;        //同上boolean p2isRight = false;        //同上boolean p3isRight = false;        //同上int targetNumber = (int) (Math.random() * 10);                                    //产生随机数System.out.println("I m thking of a number between 0 and 9...");        //输出语句while (true) {                            //逻辑判断System.out.println("Number to guess is " + targetNumber);p1.guess();                   // 储存该对象变量p1.guess();                   // 同上p1.guess();                   // 同上guessp1 = p1.number;                //对变量赋值p1对象的变量（变量数值已由另一文件产生）。System.out.println("player one gueesed " + guessp1);        //打印相应语句 guessp2 = p2.number;                //对变量赋值p2对象的变量（变量数值已由另一文件产生）。System.out.println("player one gueesed " + guessp2);        //打印相应语句guessp3 = p3.number;                //对变量赋值p3对象的变量（变量数值已由另一文件产生）。System.out.println("player one gueesed " + guessp3);        //打印相应语句if (guessp1 == targetNumber) {                // 判断对错p1isRight = true;}if (guessp2 == targetNumber) {                // 判断对错p2isRight = true;}if (guessp3 == targetNumber) {                // 判断对错p3isRight = true;}if (p1isRight || p2isRight || p3isRight) {            // 一个或多个猜中System.out.println("We have a winner!");System.out.println("player one got it right " + p1isRight);System.out.println("player two got it right " + p2isRight);System.out.println("player three got it right " + p3isRight);System.out.println("game is over.");break;// 游戏结束，终止循环} else {// 都没猜到，所以继续下去。System.out.println("player will have to try again.");} // if/else结束} // 循环结束}// 方法结束}// 类结束