使用集合類實作鬥地主洗牌、發牌、看牌

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

public class DouDiZhuDemo1 {
    public static void main(String[] args) {
        //牌盒
        HashMap<Integer, String> pokers = new HashMap<Integer, String>();
        //編号數組
        ArrayList<Integer> numList = new ArrayList<Integer>();

        //牌号
        String[] number = {"3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A", "2"};
        //花色
        String[] huaSe = {"♡", "♠", "♢", "♣"};
        //裝牌
        int key = 0;
        for (int i = 0; i < number.length; i++) {
            for (int j = 0; j < huaSe.length; j++) {
                String pokerNumber = huaSe[j] + number[i];
                pokers.put(key,pokerNumber);
                numList.add(key);
                key++;
            }
        }
        pokers.put(52,"小王");
        numList.add(52);
        pokers.put(53,"大王");
        numList.add(53);

        //檢視牌盒中的牌
        for(String poker:pokers.values()){
            System.out.print(poker+"\t");
        }
        System.out.println();

        //洗牌
        Collections.shuffle(numList);

        //玩家和底牌
        ArrayList<Integer> player1 = new ArrayList<Integer>();
        ArrayList<Integer> player2 = new ArrayList<Integer>();
        ArrayList<Integer> player3 = new ArrayList<Integer>();
        ArrayList<Integer> diPai = new ArrayList<Integer>();

        //發牌
        for (int i = 0; i < numList.size(); i++) {
            if (i >= numList.size() - 3) {
                diPai.add(numList.get(i));
            } else if (i % 3 == 0) {
                player1.add(numList.get(i));
            } else if (i % 3 == 1) {
                player2.add(numList.get(i));
            } else if (i % 3 == 2) {
                player3.add(numList.get(i));
            }
        }

        //看牌
        lookPoker("玩家1", player1,pokers);
        lookPoker("玩家2", player2,pokers);
        lookPoker("玩家3", player3,pokers);
        lookPoker("底牌", diPai,pokers);
    }

    public static void lookPoker(String playerName, ArrayList<Integer> playerNumberList,HashMap<Integer,String> pokers) {
        System.out.println(playerName + "的牌為：");
        //排序
        Collections.sort(playerNumberList);
        for (Integer key : playerNumberList) {
            System.out.print(pokers.get(key) + "\t");
        }
        System.out.println();
    }
}