任务

1.完成人机猜拳互动游戏的开发

           主要功能

1.选取对战角色

2.猜拳

3.记录分数

方法思路:

创建用户类User来实现用户出拳创建电脑类Computer来实现电脑出拳创建游戏类Game来实现猜拳游戏,其中方法Judge实现判断本局输赢StartGame方法实现菜单打印以及循环游戏并判断最终结果。

具体实现如下

1.实现User类:

import java.util.Scanner;

public class User {

public int showFist(int i) {//打印用户出拳

switch (i) {

case 1:

System.out.println("你出拳:剪刀");

break;

case 2:

System.out.println("你出拳:石头 ");

break;

case 3:

System.out.println("你出拳:布");

break;

default:

System.out.println("输入错误,请重新输入:");

break;

}

return i;

}

}

2.实现Computer类:

import java.util.Random;

public class Computer {

int showHand = 0;//记录所出拳

String heroName;//储存对战英雄名称

public void showFist() {//电脑随机出拳并打印电脑出拳

Random sc = new Random();

showHand = sc.nextInt(3) + 1;

switch (showHand) {

case 1:

System.out.println(heroName + "出拳:" + "剪刀");

break;

case 2:

System.out.println(heroName + "出拳:" + "石头");

break;

case 3:

System.out.println(heroName + "出拳:" + "布");

break;

}

}

public String getHeroName(int i) {

switch (i) {

case 1:

heroName = "刘备";

break;

case 2:

heroName = "孙权";

break;

case 3:

heroName = "曹操";

break;

}

return heroName;

}

}

3.实现Game类:

import java.util.Scanner;

public class Game {

int score = 0;//平局统计

int score1 = 0;//电脑胜利数

int score2 = 0;//玩家胜利数

Computer computer =new Computer();

User user=new User();

public int judge(int i)//判断此局胜负,并记录分数

{

Game game=new Game();

if (i == computer.showHand) {

System.out.println("和局,嘿嘿,等着瞧吧!");

System.out.println();

score++;

} else if (i == 1 && computer.showHand == 2) {

System.out.println("你输了,真笨!");

System.out.println();

score1++;

} else if (i == 1 && computer.showHand == 3) {

System.out.println("恭喜,你赢了!");

System.out.println();

score2++;

} else if (i == 2 && computer.showHand == 1) {

System.out.println("此局:恭喜,你赢了");

score2++;

} else if (i == 2 && computer.showHand == 3) {

System.out.println("此局:很遗憾,你输了");

score1++;

} else if (i == 3 && computer.showHand== 1) {

System.out.println("此局:很遗憾,你输了");

score1++;

} else if (i == 3 && computer.showHand == 2) {

System.out.println("此局:恭喜,你赢了");

score2++;

}

return i;

}

public void startGame() {

Game game=new Game();

System.out.println("********************");//打印菜单

System.out.println("******猜拳,开始******");

System.out.println("********************");

System.out.println("出拳规则:1,剪刀 2,石头 3,布");

System.out.println("请选择你想和谁对战(1:刘备 2:孙权 3:曹操):");

Scanner sc = new Scanner(System.in);

int a = sc.nextInt();

computer.getHeroName(a);//获取用户所寻找对象

System.out.println("请输入你的名字:");

String name = sc.next();//录入用户信息

switch (a) {

case 1:

System.out.println("你选择了刘备对战");

break;

case 2:

System.out.println("你选择了刘邦对战");

break;

case 3:

System.out.println("你选择了曹操对战");

break;

}

System.out.println(name + "vs" + computer.heroName + "对战");

int court = 1;//储存对战局数

System.out.print("要开始吗?(y/n):");

Scanner sr = new Scanner(System.in);

String choose = sr.next();

while (true) {//死循环来重复进行游戏直到用户退出游戏

if (choose.equals("n")) {

System.out.println("结束");

return;

} else if (choose.equals("y")) {

System.out.print("请出拳:1.剪刀 2.石头 3.布(输入相应数字):");

int c = sr.nextInt();//获取用户出拳

user.showFist(c);//打印用户出拳

computer.showFist();//打印电脑出拳

judge(c);//判断本局结果并打印

System.out.println("是否开始下一轮(y/n):");

System.out.println("------------------------------------------");

String m = sr.next();//获取用户是否想要进行下一轮比赛

if (m.equals("y")) {

court++;//累加一次比赛局数

} else if (m.equals("n")) {

System.out.println("------------------------------------------");//打印比赛最后比分

System.out.println(computer.heroName + "VS" + name);

System.out.println("对战次数:" +court + " " + "平局" + score + "次");

System.out.println("姓名" + " " + "得分");

System.out.println(name + " " + score2);

System.out.println(computer.heroName + " " +score1);

if (score1 < score2)//打印比赛最后结果

{

System.out.println("恭喜恭喜,你赢得了比赛!");

break;

} else if (score1 ==score2) {

System.out.println("打成平手,下次和你一较高下!");

break;

} else {

System.out.println("呵呵,笨笨,下次加油啊!");

break;

}

}

}

}

}

}

具体运行如下

 

至此,人机猜拳已经完成,有什么问题欢迎来询问!

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