Java实现人机猜拳小游戏

import java.util.Scanner;

public class Game {
Scanner sc = new Scanner(System.in);
User User;//用户玩家
Computer Computer;//电脑玩家
int count;//对战次数
int score;//分数

//游戏类的初始化方法
public void initial(){
 //创建用户对象
 User= new User();
 //创建电脑对象
 Computer = new Computer();
 //初始化对战次数为0
 count = 0;
}
//开始游戏的方法
public void startGame(){
 System.out.println("--------------------欢迎进入游戏世界-----------------------\n\n");
 System.out.println("\t\t*******************");
 System.out.println("\t\t**  猜拳，开始   **");
 System.out.println("\t\t*******************\n\n");
 System.out.println("出拳规则：1.石头 2.剪刀 3.布");
 System.out.print("请选着对方角色(1:刘备 2:孙权 3:曹操)");
 int choose = sc.nextInt();//接收用户选择的角色
 switch(choose){
 case 1:
 Computer.computerName = "刘备";//把值赋给电脑类的name
 System.out.println("你选择了"+Computer.computerName+"对战");
 break;
 case 2:
 Computer.computerName = "孙权";
 System.out.println("你选择了"+Computer.computerName+"对战");
 break;
 case 3:
 Computer.computerName = "曹操";
 System.out.println("你选择了"+Computer.computerName+"对战");
 break;
 default:
  System.out.println("输入有误！");
  break;
 }
 System.out.println("请输入你的姓名：");
 User.userName = sc.next();
 System.out.println("要开始吗（y/n）");
 String con = sc.next();
 if(con.equals("n")){//如果不开始输入"n"的话 就提示退出
 System.out.println("系统退出！");
 }
 int perFist;//用户出的拳
 int comFist;//计算机出的拳
 while(con.equals("y")){
 //出拳
 perFist = User.showFirst();//调用用户类的方法
 comFist = Computer.chuQuan();//调用电脑类的方法
 //裁决
 if((perFist == 1 && comFist == 1) || 
  (perFist == 2 && comFist == 2) || 
   (perFist == 3 && comFist == 3)){
  System.out.println("结果：和局，真衰！");//平局
 }else if((perFist == 1 && comFist == 3) || 
  (perFist == 2 && comFist == 1) || 
   (perFist == 3 && comFist == 2)){
  System.out.println("You lost!");//用户输了
  System.out.println("结果：你被KO");
  Computer.score++;//记录电脑赢的分数
 }else{
  System.out.println("You win!");//用户赢了
  System.out.println("结果：恭喜，你赢了！");
  User.score++;//记录用户赢的分数
 }
 count++;//对战次数依次加一
 System.out.println("是否进入下一轮（y/n）");
 con = sc.next(); 
 }
 //如果结束 则显示最后的结果
 showResult();
} 
 //显示最后的输出结果
 public void showResult(){
 System.out.println("------------------------------------------------");
 System.out.println(Computer.computerName+"\tVS\t"+User.userName);
 System.out.println("对战次数："+count);
 System.out.println("姓名"+"\t"+"积分");
 System.out.println(User.userName+"\t"+User.score);
 System.out.println(Computer.computerName+"\t"+Computer.score);
 if(User.score>Computer.score){//如果用户的分数大于电脑的分数 则用户赢
 System.out.println(User.userName+"赢了！");
 }else{
 System.out.println(Computer.computerName+"赢了！");
 }
 System.out.println("-------------------------------------------------");
}
}

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;
  }
} 

import java.util.Scanner;

public class Computer {
 String computerName;//电脑名
 int score;//电脑积分
 public int chuQuan() {
  int random =(int)(Math.random()*3)+1;
  switch(random) {
  case 1:
  System.out.println(computerName+"出拳：石头");
  break;
  case 2:
  System.out.println(computerName+"出拳：剪刀");
  break;
  case 3:
  System.out.println(computerName+"出拳：布");
  break;
  default:
  System.out.println("输入有错，请重新输入：");
  break;
  }
  return random;
 }
}

public class Main {
public static void main(String[] args) {
 Game g = new Game();
 g.initial();//调用初始化方法
 g.startGame();//调用开始游戏的方法
}
}