Java实现21点游戏规范源码与界面

package com.easyjava.sample;


import java.io.BufferedReader;
import java.io.IOException;  
import java.io.InputStreamReader; 
import java.util.ArrayList; 
import java.util.List; 
import java.util.Random; 
import java.util.Stack;


/** 
  *   
  * @author   
  * 21点游戏  
  */  
public class BlackJack {      
    private Player player,com;// 玩家和电脑     
    private Dealer deck;// 一副牌     
    BufferedReader br;

/**        
  * 打印菜单       
  * 完成所有功能调用       
  */      
public BlackJack() {         
  // 初始化玩家，牌         
      player=new Player();         

      com=new Player();         
      deck=new Dealer();        
      String str = null;          
      br=new BufferedReader(new InputStreamReader(System.in));


// 打印菜单         
while(true){              
    player.playAgain();             
    com.playAgain();              
    System.out.println("\t\t\t黑  杰  克\n");             
    System.out.println("\t\t    1.开始游戏\n");             
    System.out.println("\t\t    2.查看比分\n");             
    System.out.println("\t\t    3.结束游戏\n");             
    System.out.println("\t请输入：");             
    try {                  
        str=br.readLine();            
} catch (IOException e) {                 
  e.printStackTrace(); 
}              
switch(Integer.parseInt(str)){                 
   case 1:                     
         start();                     
         break;                 
   case 2:                      
         checkScore();                     
         break;                 
   case 3:                      
         System.exit(0);                    
         break;