斗地主案例2

import java.util.*;
public class CardDemo2 {
    public static void main(String[] args) {
        //map存放一副牌
        Map<Integer,String> map = new HashMap<>();
        //list1存放花色,list2存放数字
        String[] list1 = {"♥","♠","♣","◆"};
        String[] list2 = new String[13];
        for (int i = 2; i <= 10; i++) {
            list2[i] = i+"";
        }
        list2[0] = "A";
        list2[1] = "K";
        list2[11] = "J";
        list2[12] = "Q";
        //
        int count = 0;
        for (String s : list1) {
            for (String s1 : list2) {
                String s2 = s+s1;
                map.put(count,s2);
                count++;
            }
        }
        map.put(count,"大王");
        count++;
        map.put(count,"小王");
        //System.out.println(map);
        //打乱
        Set<Integer> mapKeys = map.keySet();
        List<Integer> mapKeysList = new ArrayList<>();
        //System.out.println(mapKeys);
        for (Integer mapKey : mapKeys) {
            mapKeysList.add(mapKey);
        }
        Collections.shuffle(mapKeysList);
        //System.out.println(mapKeysList);
        //发牌
        List play1 = new ArrayList();
        List play2 = new ArrayList();
        List play3 = new ArrayList();
        List dipai = new ArrayList();
        for (int i = 0; i < mapKeysList.size(); i++) {
            if(i>=mapKeysList.size()-3){
                String s = map.get(mapKeysList.get(i));
                dipai.add(s);
                continue;
            }
            if(i%3==1){
                String s = map.get(mapKeysList.get(i));
                play1.add(s);
            }
            if(i%3==2){
                String s = map.get(mapKeysList.get(i));
                play2.add(s);
            }
            if(i%3==0){
                String s = map.get(mapKeysList.get(i));
                play3.add(s);
            }
        }
        System.out.println(play1);
        System.out.println(play2);
        System.out.println(play3);
        System.out.println(dipai);
    }
}