java 石头剪刀布游戏

代码：

 System.out.println("----------------");
        System.out.println("石头剪刀布");
        System.out.println("----------------");
        Random random = new Random();
        int xiaoming = random.nextInt(3);//0是剪刀 1是石头 2是布
        int xiaohong = random.nextInt(3);//0是剪刀 1是石头 2是布
        switch (xiaoming){
            case 0:
                System.out.println("小明出的是剪刀");
                break;
            case 1:
                System.out.println("小明出的是石头");
                break;
            case 2:
                System.out.println("小明出的是布");
                break;
        }
        switch (xiaohong){
            case 0:
                System.out.println("小红出的是剪刀");
                break;
            case 1:
                System.out.println("小红出的是石头");
                break;
            case 2:
                System.out.println("小红出的是布");
                break;
        }
        switch (xiaoming-xiaohong){
            case -2:
            case 1:
                System.out.println("小明赢");
                break;
            case 0:
                System.out.println("平局");
                break;
            case -1:
            case 2:
                System.out.println("小红赢");
                break;
        }

输出结果：