Java 【小项目 - 猜拳游戏】【基础篇】

一.猜拳游戏

import java.util.Scanner;

public class demo{
    public static void main(String[] args){
      
       Scanner data = new Scanner(System.in);
       
       System.out.println("=====猜拳游戏====");
       System.out.println("请出:1.石头 2.剪子 3.布");

       int person = data.nextInt();

       int computer = (int)(Math.random()*3)+1;  //大于等于1

       String Marks = "拳头";

       String MarksC = "拳头";

       switch(person){
            case 1:
            Marks = "石头";
            break;
            case 2:
            Marks = "剪刀";
            break;
            case 3:
            Marks = "布";
            break;

       }
         switch(computer){
            case 1:
            MarksC = "石头";
            break;
            case 2:
            MarksC = "剪刀";
            break;
            case 3:
            MarksC = "布";
            break;

       }

       if(person == computer){
                 System.out.println("平局!"  + "\n电脑是:" + MarksC + "\n");
                 System.out.print("你的是:" + Marks);
       }
       else if(person == 1 && computer == 3 || person == 2 && computer == 1 || person == 3 && computer == 2){
                System.out.println("你输了!" + "\n电脑是:" + MarksC + "\n");
                System.out.print("你的是:" + Marks);        
 
       }
       else{
             System.out.println("你赢了!" + "\n电脑是:" + MarksC + "\n");
             System.out.print("你的是:" + Marks);
       }

       
        
        }
    }