java 石头、剪刀、布

心已赠人 2022-05-27 00:50 211阅读 0赞

/*
     * 时间：2018-4-8 
     * 目的：practice
     * 内容：在控制台输入“石头”、“剪刀”或者“布”，然后程序随机一个“石头”、“剪刀”或者“布”，最后判断谁输谁赢
     * */
    package home;
    
    import java.util.Scanner;
    
    import javax.xml.soap.SAAJResult;
    
    public class RockPaperScissors {
    
    	public static void main(String[] args) {
    		Scanner read = new Scanner(System.in);// 扫描器
    		String[] rockpaperscissors = new String[] { "石头", "剪刀", "布" };// 招数
    		while (true) {// 满足条件一直循环
    			int numR = (int) (Math.random() * (3 - 1 + 1));// 随机数生成
    			System.out.println("请出招（石头、剪刀、布）：");// 输入提示
    			String out = read.next(); // 输入
    			if (out.equals(rockpaperscissors[numR])) {// 两个招数一致
    				System.out.println(out + "PK" + rockpaperscissors[numR]);//
    				System.out.println("平了！");
    			} else if (out.equals(rockpaperscissors[0])
    					&& rockpaperscissors[numR] == rockpaperscissors[1]) {
    				System.out.println(out + "PK" + rockpaperscissors[numR]);// 石头对剪刀
    				System.out.println("你赢了！");
    			} else if (out.equals(rockpaperscissors[0])
    					&& rockpaperscissors[numR] == rockpaperscissors[2]) {
    				System.out.println(out + "PK" + rockpaperscissors[numR]);// 石头对布
    				System.out.println("你输了！");
    			} else if (out.equals(rockpaperscissors[1])
    					&& rockpaperscissors[numR] == rockpaperscissors[0]) {
    				System.out.println(out + "PK" + rockpaperscissors[numR]);// 剪刀对石头
    				System.out.println("你输了！");
    			} else if (out.equals(rockpaperscissors[1])
    					&& rockpaperscissors[numR] == rockpaperscissors[2]) {
    				System.out.println(out + "PK" + rockpaperscissors[numR]);// 剪刀对布
    				System.out.println("你赢了！");
    			} else if (out.equals(rockpaperscissors[2])
    					&& rockpaperscissors[numR] == rockpaperscissors[0]) {
    				System.out.println(out + "PK" + rockpaperscissors[numR]);// 布对石头
    				System.out.println("你赢了！");
    			} else if (out.equals(rockpaperscissors[2])
    					&& rockpaperscissors[numR] == rockpaperscissors[1]) {
    				System.out.println(out + "PK" + rockpaperscissors[numR]);// 布对剪刀
    				System.out.println("你输了！");
    			} else {
    				System.out.println("你出错了！");
    			}
    			System.out.println("还来吗？(y/n)");// 游戏结束提示
    			String choice = read.next();// 输入选择
    			if (choice.equals("n")) {// 选择为n
    				System.out.println("BYE!");//
    				break;// 退出
    			} else if (choice.equals("y")) {// 选择为y
    				continue;// 重新开始对决
    			} else {
    				System.out.println("没有这个选项！");// 错误选项
    			}
    		}
    	}
    }

运行结果

![201804082137526][]

[201804082137526]: /images/20220527/b452a251d1104a779d8673844312e123.png