java 集合重要概念 （实现一个简单的斗地主）

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

public class DouDiZhuDemo {

    public static void main(String[] args) {
//        Person p1 = new Person("用户1");
//        Person p2 = new Person("用户2");
//        Person p3 = new Person("用户3");
//        Person p4 = new Person("用户4");

        String[] huase = {"♠","♥","♣","◇"};
        String[] nums ={"3","4","5","6","7","8","9","10","J","Q","K","A","2"};
        List<String> lists = new ArrayList<String>();

        for (int i = 0; i <huase.length ; i++) {
            for (int j = 0; j <nums.length ; j++) {
                lists.add(huase[i]+nums[j]);
            }
        }
        lists.add("大王");
        lists.add("小王");

        //洗牌
        List<String> xipai = new DouDiZhuDemo().xipai(lists);

        //定义4个集合 存储玩家和牌
        List<String> player01 = new ArrayList<String>();
        List<String> player02 = new ArrayList<String>();
        List<String> player03 = new ArrayList<String>();
        List<String> dipai = new ArrayList<String>();

        //发牌的代码  核心代码
        for (int i = 0; i <xipai.size() ; i++) {
            //获取所有的牌
            String p = xipai.get(i);

            if(i >= 51){ //改底牌的发牌
                dipai.add(p);
            }else if(i%3==0){
                //给玩家1发牌
                player01.add(p);
            }else if(i%3==1){
                //给玩家2发牌
                player02.add(p);
            }else if(i%3==2){
                //给玩家3发牌
                player03.add(p);
            }
        }

        //看牌
        System.out.println(player01);
        System.out.println(player02);
        System.out.println(player03);
        System.out.println(dipai);

    }





    //洗牌的方式
    public List<String> xipai(List l){
        List ll = l;
        Collections.shuffle(l);
        return ll;

    }
}