2021-04-15

import java.util.Scanner;

public class User {

  String userName;//用户名

  int score;//积分

  public int showFirst() {

    System.out.print("请出拳:1.剪刀2.石头3.布(输入相应的数字):");

    Scanner sc = new Scanner(System.in);

    int choice = sc.nextInt();

    switch(choice) {

    case 1:

    System.out.println("你出拳：石头");

    break;

    case 2:

    System.out.println("你出拳：剪刀");

    break;

    case 3:

    System.out.println("你出拳：布");

    break;

    default:

    System.out.println("输入错误!");

    break;

    }

    return choice;

  }

}