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作业

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#1 Created at ... [Delete] [Delete and Lock User]

package com.itranswarp.learnjava;

import java.util.Random;

import java.util.Scanner;

public class Main {

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");

Scanner sc = new Scanner(System.in);

int choice = sc.nextInt();

Random rd = new Random();

int random = rd.nextInt(1, 4);

System.out.printf("choice:%d\t", choice);

System.out.println("random:" + random);

String end = null;

end = switch (choice) {

case 1 -> random == 1 ? "draw" : (random == 2 ? "win" : "lose");

case 2 -> random == 1 ? "lose" : (random == 2 ? "draw" : "win");

case 3 -> random == 1 ? "win" : (random == 2 ? "lose" : "draw");

default -> "exception";

};

System.out.println(end);

}

}


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