package pratice;import java.util.Random;
import java.util.Scanner;/*** @author Lhx* @date 2022/1/30 - 13:45** 剪刀 石头 布*/public class GameSSS {public static void main(String[] args) {//初始化，定义双方手势变量字符串Scanner scanner = new Scanner(System.in);System.out.println("欢迎来到剪刀石头布游戏!\n请输入剪刀、石头或布:");//我方手势String pose = scanner.nextLine();if (!pose.equals("石头") && !pose.equals("布") && !pose.equals("剪刀")) {System.out.println("输入无效，游戏结束");return;}//对方手势String rivalPose;//结果int flag = 0;//模拟随机出拳Random random = new Random();double ran = random.nextDouble();if (ran > 2.0 / 3) rivalPose = "剪刀";else if (ran <= 2.0 / 3 && ran > 1.0 / 3) rivalPose = "石头";else rivalPose = "布";//计算结果switch (pose) {case "剪刀": {if (rivalPose.equals("剪刀"))  flag = 0;else if (rivalPose.equals("石头")) flag = -1;else flag = 1;break;}case "石头": {if (rivalPose.equals("石头"))  flag = 0;else if (rivalPose.equals("布")) flag = -1;else flag = 1;break;}case "布" :if (rivalPose.equals("布"))  flag = 0;else if (rivalPose.equals("剪刀")) flag = -1;else flag = 1;break;}if (flag == 0) System.out.println("对手出的是" + rivalPose + ", 平局。");else if (flag == 1) System.out.println("对手出的是" + rivalPose + ", 你赢了。");else System.out.println("对手出的是" + rivalPose + ", 你输了。");}
}