java桥牌发牌算法

转自：http://blog.csdn.net/friendan/article/details/17530717

参考文章：

http://www.cnblogs.com/Jax/archive/2008/07/19/1246692.html

http://bbs.csdn.net/topics/80333258

--------------------------------------------------------------------------------------------------------------------------------------------------

桥牌发牌类：

 import java.util.*;
 import java.math.*;

 //桥牌发牌类
 public class Poker {
     static List pokerN=new ArrayList(new Integer(13));//北家的牌
     static List pokerE=new ArrayList(new Integer(13));//东家的牌
     static List pokerS=new ArrayList(new Integer(13));//南家的牌
     static List pokerW=new ArrayList(new Integer(13));//西家的牌
     static List pokerAll=new ArrayList(new Integer(52));//52张牌

     //洗牌
     public static void Shuffle()
     {
         for(int i=1;i<=52;i++)
         {
             pokerAll.add(i);
         }

         Random rd=new Random();
         int tmp=0,idx=0;
         for(int i=0;i<52;i++)
         {
             idx=rd.nextInt(52);
             tmp=pokerAll.get(i);
             pokerAll.set(i,pokerAll.get(idx));
             pokerAll.set(idx, tmp);
         }
     }

     //获取北家的牌
     public static List getPokerN()
     {
         for(int i=0;i<13;i++)
         {
             pokerN.add(pokerAll.get(i));//0~12
         }
         return pokerN;
     }

     //获取东家的牌
     public static List getPokerE()
     {
         for(int i=0;i<13;i++)
         {
             pokerE.add(pokerAll.get(i+13));//13~25
         }
         return pokerE;
     }

     //获取南家的牌
     public static List getPokerS()
     {
         for(int i=0;i<13;i++)
         {
             pokerS.add(pokerAll.get(i+26));//26~38
         }
         return pokerS;
     }

     //获取西家的牌
     public static List getPokerW()
     {
         for(int i=0;i<13;i++)
         {
             pokerW.add(pokerAll.get(i+39));//39~51
         }
         return pokerW;
     }

 }

----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------

测试代码:

 import java.util.*;
 public class main {

     /**
      * @param args
      */
     public static void main(String[] args) {

                 Poker.Shuffle();//洗牌

                 System.out.print("\n北家的牌:");
                 List list=Poker.getPokerN();
                 for(int i=0;i
                 {
                     System.out.printf("%-3d ",list.get(i));
                 }

                 System.out.print("\n东家的牌:");
                 list=Poker.getPokerE();
                 for(int i=0;i
                 {
                     System.out.printf("%-3d ",list.get(i));
                 }

                 System.out.print("\n南家的牌:");
                 list=Poker.getPokerS();
                 for(int i=0;i
                 {
                     System.out.printf("%-3d ",list.get(i));
                 }

                 System.out.print("\n西家的牌:");
                 list=Poker.getPokerW();
                 for(int i=0;i
                 {
                     System.out.printf("%-3d ",list.get(i));
                 }
                 System.out.println();


     }

 }