import java.util.Scanner;

/**

* switch实现石头/剪子/布并判断胜负

*/

public class Switch {

    public static void main(String[] args) {

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

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

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

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

        // 用户输入:

        Scanner sc = new Scanner(System.in);

        int choice = sc.nextInt();

        // 计算机随机数 1, 2, 3:

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

System.out.println(random);

        switch (choice) {

        case 1:

            switch (random){

case 1:

System.out.println("Equals!");

break;

case 2:

System.out.println("You Win!");

break;

case 3:

System.out.println("You lose!");

break;

}

break;

        case 2:

switch (random){

case 1:

System.out.println("You lose!");

break;

case 2:

System.out.println("Equals!");

break;

case 3:

System.out.println("You win");

break;

}

break;

        case 3:

switch (random){

case 1:

System.out.println("You win!");

break;

case 2:

System.out.println("You lose!");

break;

case 3:

System.out.println("Equals!");

break;

}

break;

        }

    }

}