实现斗地主洗牌、发牌、看牌

package cn.javacode.map.demo;

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

public class FightAgainstLandlord {
    public static void main(String[] args) {
        //准备牌
        HashMap<Integer, String> poker = new HashMap<>();
        ArrayList<Integer> pokerIndex = new ArrayList<>();
        List<String> colors = List.of("♠", "♥", "♣", "♦");
        List<String> numbers = List.of("2", "A", "K", "Q", "J", "10", "9", "8", "7", "6", "5", "4", "3");
        int index=0;
        pokerIndex.add(index);
        poker.put(index,"大王");
        index++;
        pokerIndex.add(index);
        poker.put(index,"小王");
        index++;
        for(String n:numbers){
            for(String c:colors){
                pokerIndex.add(index);
                poker.put(index,c+n);
                index++;
            }
        }
        System.out.print(poker);
        System.out.println();

        //洗牌
        Collections.shuffle(pokerIndex);
        System.out.println(pokerIndex);

        //发牌
        ArrayList<Integer> player01=new ArrayList<>();
        ArrayList<Integer> player02=new ArrayList<>();
        ArrayList<Integer> player03=new ArrayList<>();
        ArrayList<Integer> diPai=new ArrayList<>();
        for(int i=0;i<pokerIndex.size();i++){
            if(i>=51){
                diPai.add(pokerIndex.get(i));
            }else if(i%3==0){
                player01.add(pokerIndex.get(i));
            }else if(i%3==1){
                player02.add(pokerIndex.get(i));
            }else if(i%3==2){
                player03.add(pokerIndex.get(i));
            }
        }
        Collections.sort(player01);
        Collections.sort(player02);
        Collections.sort(player03);
        Collections.sort(diPai);

        /*
        System.out.println(diPai);
        System.out.println(player01);
        System.out.println(player02);
        System.out.println(player03);

         */

        //看牌
        lookPoker("player01",poker,player01);
        lookPoker("player02",poker,player02);
        lookPoker("player03",poker,player03);
        lookPoker("diPai",poker,diPai);

    }
    public static void lookPoker(String name,HashMap<Integer,String> poker, ArrayList<Integer> list){
        System.out.println(name+":");
        for(Integer k:list){
            String v=poker.get(k);
            System.out.print(v+" ");
        }
        System.out.println();
    }

}