猜拳游戏

import java.util.Scanner;

public class caiquan {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        for (;;) {
            int person = 0;
            for (;;) {
                System.out.println("请输入你的选择(1--石头 2--剪刀 3--布)");
                person =sc.nextInt();
                if (person == 1) {
                    System.out.println("你的选择是:石头");
                    break;
                } else if (person == 2) {
                    System.out.println("你的选择是:剪刀");
                    break;
                } else if (person == 3) {
                    System.out.println("你的选择是:布");
                    break;
                } else {
                    System.out.println("你的选择无效");
                    continue;
                }
            }

            int marchine;
            for (;;) {
                System.out.println("电脑输入的选择(1--石头 2--剪刀 3--布)");
                marchine = (int) (Math.random() * 4);
                if (marchine == 1) {
                    System.out.println("电脑的选择是:石头");
                    break;
                } else if (marchine == 2) {
                    System.out.println("电脑的选择是:剪刀");
                    break;
                } else if (marchine == 3) {
                    System.out.println("电脑的选择是:布");
                    break;
                } else {
                    System.out.println("电脑的选择无效");
                    continue;
                }
            }

            if (person == 1 && marchine == 1 || person == 2 && marchine == 2
                    || person == 3 && marchine == 3) {
                System.out.println("平局！");
            } else if (person == 1 && marchine == 2 || person == 2
                    && marchine == 3 || person == 3 && marchine == 1) {
                System.out.println("你赢了！");
            } else if (person == 1 && marchine == 3 || person == 2
                    && marchine == 1 || person == 3 && marchine == 2) {
                System.out.println("很遗憾，你输了！");
            }

            boolean bool = false;
            for (;;) {
                System.out.print("是否继续下一局（Y/N）:");
                String b = sc.next();
                if (b.equals("Y")) {
                    bool = true;
                    break;
                } else if (b.equals("N")) {
                    bool = false;
                    break;
                } else {
                    continue;
                }
            }
            if (bool == true) {
                
            } else {
                break;
            }
            System.out.println("
"); 
        }
    }
}