java实现随机洗牌算法

来源：互联网发布：微信企业号oa源码编辑：程序博客网时间：2024/05/03 21:36

import java.util.Random;class Card{    public String num;    public String suit;    Card(String n,String s)    {        this.num=n;        this.suit=s;    }    public String toString()    {        String ss=suit+":"+num+"  ";        return ss;    }}class DeskOfCard{    Card card[];    public void initcard()//初始化    {        String num[]={"A","2","3","4","5","6","7","8","9","10","J","Q","K"};        String suit[]={"方块","梅花","红桃","黑桃"};        card = new Card[52];        for(int i=0;i<52;i++)        {            card[i] = new Card(num[i%13],suit[i/13]);        }    }    public void shufflecard()//洗牌    {        Random rd = new Random();        for(int i=0;i<52;i++)        {            int j = rd.nextInt(52);//生成随机数            Card temp = card[i];//交换            card[i]=card[j];            card[j]=temp;        }    }    public void dealcard()//发牌    {        for(int i=0;i<52;i++)        {            if(i%4==0) System.out.println("\n");            System.out.print(card[i]);        }    }}public class TestCard {    public static void main(String[] args)     {        DeskOfCard cc = new DeskOfCard();        cc.initcard();        cc.shufflecard();        cc.dealcard();    }}

转载自：http://www.cnblogs.com/bersaty/archive/2013/09/11/3315371.html

0 0