Java集合实现斗地主功能

import java.util.ArrayList;import java.util.Collections;import java.util.HashMap;/* * 实现斗地主功能 * 1.组合牌 * 2.洗牌 * 3.发牌 * 4.看牌 */public class DouDiZhu {    public static void main(String[] args) {//1.组合牌    HashMap<Integer, String> pooker=new HashMap<Integer, String>();        ArrayList<Integer> pookerNumber=new ArrayList<Integer>();        String[] numbers={"2","A","K","Q","J","10","9","8","7","6","5","4","3"};    String[] colors={"桃花","红桃","梅花","方块"};    int index=2;        for (String number : numbers) {for (String color : colors) {pooker.put(index, color+number);pookerNumber.add(index);index++;}}        pooker.put(0, "大王");        pookerNumber.add(0);                pooker.put(1, "小王");        pookerNumber.add(1);                //洗牌,将牌的编号打乱        Collections.shuffle(pookerNumber);                //发牌,将牌的编号发给玩家集合和底牌集合        ArrayList<Integer> player1=new ArrayList<Integer>();        ArrayList<Integer> player2=new ArrayList<Integer>();        ArrayList<Integer> player3=new ArrayList<Integer>();        ArrayList<Integer> bottom=new ArrayList<Integer>();        for (int i = 0; i < pookerNumber.size(); i++) {        //先做好底牌        if (i<3) {bottom.add(pookerNumber.get(i));}        //对索引%3判断if (i%3==0) {player1.add(pookerNumber.get(i));}else if (i%3==1) {player2.add(pookerNumber.get(i));}else if (i%3==2) {player3.add(pookerNumber.get(i));}}        //看牌，将玩家手中的编号到Map集合中查找，根据键找值        Collections.sort(player1);        Collections.sort(player2);        Collections.sort(player3);        //定义方法实现        look("玩家1",player1, pooker);        look("玩家2",player2, pooker);        look("玩家3",player3, pooker);        look("底牌",bottom, pooker);}    public static void look(String name,ArrayList<Integer> player,HashMap<Integer, String> poker){    //遍历ArrayList集合    System.out.print(name+" ");    for (Integer key : player) {String value=poker.get(key);System.out.print(value+" ");}    System.out.println();    }}