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) {

		Scanner scanner=new Scanner(System.in);

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

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

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

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

		// 用户输入:

		int choice = 0;

		choice = scanner.nextInt();

		// 计算机随机数 1, 2, 3:

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

		switch (Math.abs(choice-random)) {

			case 0 -> System.out.println("tie");

			case 1 -> System.out.println("you lose");

			case 2 -> System.out.println("you win");

		// TODO:

		}

	}



}