模拟洗牌、发牌

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package com.sina;

import java.util.ArrayList;
import java.util.Collections;
import java.util.List;

public class Card {
public int playerNumber;
public int cardNumber;

String[]huase={"红桃","黑桃","方块","梅花"};
String[]paivalue={"A","2","3","4","5","6","7","8","9","10","J","Q","K"};

List car;

public Card(int playerNumber, int cardNumber) {
  super();
  this.playerNumber = playerNumber;
  this.cardNumber = cardNumber;
  car=new ArrayList();
  for(int i=0;i<huase.length;i++){
   for(int j=0;j<paivalue.length;j++){
    car.add(huase[i]+paivalue[j]);
   }
  }
}
public void xipai(){
  Collections.shuffle(car);
}
public void fapai(){//方法1：
  int toallPai=car.size();
  List hand= car.subList(toallPai-cardNumber, toallPai);
  System.out.println(hand);
  hand.clear();//将发出的牌移除集合


}
public void fapai2(){//方法2：
  int toallPai=car.size();
  List hand= car.subList(toallPai-cardNumber, toallPai);
     List hand2 = new ArrayList(hand);
  hand.clear();//将发出的牌移除集合
  System.out.println(hand2);


}
}

//建立一个测试类
package com.sina;

public class Test {

public static void main(String[] args) {
  Card c=new Card(4,3);

  c.xipai();
  for(int i=0;i<c.playerNumber;i++){
   System.out.print("第"+(i+1)+"位玩家牌值：");
   c.fapai();

  }

}

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