package com.itranswarp.learnjava;

import java.util.Scanner;

/**

* switch实现石头/剪子/布并判断胜负

*/

public class Main {

public static void main(String[] args) {

// 用户输入:

int choice = 0;

Scanner sc = new Scanner(System.in);

do {

System.out.println("please choice:");

System.out.println(" 1: Rock");

System.out.println(" 2: Scissors");

System.out.println(" 3: Paper");

choice=sc.nextInt();

}while(choice<0||choice>3);

// 计算机随机数 1, 2, 3:

int random = 1 + (int) Math.random() * 3;

choice=choice-random;

System.out.println(random);

switch (choice) {

// TODO:

case 1 :

System.out.println("lose");

break;

case 2:

System.out.println("win");

break;

case 0:

System.out.println("equal");

break;

case -1:

System.out.println("win");

break;

}

}

}