import java.util.Random;class Card{   int Suit;							//颜色    char Number;							//卡的数量 }public class PokeShow {	static Card[] OneCard=new Card[52];		    	//保存每张扑克的花色、数字		static void ShowCard() 							//显示扑克牌 	{	   int i, j;	   int sign=0;	   String s="";	   for (i = 0, j = 0; i < 52; i++, j++)	   {		  if (j % 13==0)		  {			 System.out.print("\n");		  }		  switch(OneCard[i].Suit)					//显示花色符号		  {		  case 1:			  s="黑桃";			  sign=3;			  break;		  case 2:			  s="红桃";			  sign=4;			  break;		  case 3:			  s="梅花";			  sign=5;			  break;		  case 4:			  s="方块";			  sign=6;			  break;		  default:			  ;		  }		  System.out.printf("  "+s+OneCard[i].Number);	//输出显示	   }	   System.out.print("\n");	}		static void Shuffle()								//算法	{		int i,j,temp;		int suit;			    Card tempcard=new Card();		suit=0;	   for (i = 0; i < 52; i++)						//生成52张牌 	   {		  if (i % 13 == 0)		  {			 suit++;							//改变花色 		  }		  Card t=new Card();		  t.Suit = suit;					//保存花色 		  temp = i % 13;		  switch(temp)							//特殊值处理		  {		  case 0:			  t.Number = 'A';			  break;		  case 9:			  t.Number = '0';			  break;		  case 10:			  t.Number = 'J';			  break;		  case 11:			  t.Number = 'Q';			  break;		  case 12:			  t.Number = 'K';			  break;		  default:			  t.Number =(char)(temp + '1');		  }		  OneCard[i]=t;	   }	   System.out.printf("一付新牌的初始排列例如以下:\n"); 	   ShowCard();	   Random r=new Random();					//随机种子	   for (i = 0; i < 52; i++)	   {		  j = r.nextInt(52);						//随机换牌		  tempcard = OneCard[j];		  OneCard[j] = OneCard[i];		  OneCard[i] = tempcard;	   }	}	public static void main(String[] args) {								 Shuffle();								//拖曳		 System.out.print("\n洗牌的安排，比如下面的后:\n");		 ShowCard();							//显示新的授权协议	}}