斗地主案例 Console version

import java.util.*;

public class LandlordFighting {
    public static void main(String[] args) {



        HashMap<Integer, String> pokers = new HashMap<>();

        //1.准备牌：组装54张扑克牌

        Ready_card(pokers);

        //洗牌：54张牌顺序打乱 打乱序号 再根据序号拿的值就乱了

        final List<Integer> listIntegers = shuffleCard(pokers);

        //发牌：三个玩家参与游戏，三人交替摸牌，每人17张牌，最后三张留作底牌。

        final Result result = getResult();

        Deal_cards(listIntegers, result.player1(), result.player2(), result.player3(), result.bottom());

        //看牌

        Watch_cards(result.player1(), pokers, result.player2(), result.player3(), result.bottom());
    }

    private static Result getResult() {
        TreeSet<Integer> player1 = new TreeSet<>();//玩家1的手牌
        TreeSet<Integer> player2 = new TreeSet<>();//玩家2的手牌
        TreeSet<Integer> player3 = new TreeSet<>();//玩家3的手牌
        TreeSet<Integer> bottom = new TreeSet<>();//底牌
        Result result = new Result(player1, player2, player3, bottom);
        return result;
    }

    private record Result(TreeSet<Integer> player1, TreeSet<Integer> player2, TreeSet<Integer> player3, TreeSet<Integer> bottom) {
    }

    private static void Watch_cards(TreeSet<Integer> player1, HashMap<Integer, String> pokers, TreeSet<Integer> player2, TreeSet<Integer> player3, TreeSet<Integer> bottom) {
        //看牌：查看三人各自手中的牌（按照牌的大小排序）、底牌
        //player1的手牌

        System.out.print("player1 :");
        for(Integer integer: player1){
            System.out.print(pokers.get(integer)+"\t");
        }
        System.out.println("\n");

        //player2的手牌

        System.out.print("player2 :");
        for(Integer integer: player2){
            System.out.print(pokers.get(integer)+"\t");
        }
        System.out.println("\n");

        //player3的手牌

        System.out.print("player3 :");
        for(Integer integer: player3){
            System.out.print(pokers.get(integer)+"\t");
        }
        System.out.println("\n");

        //底牌
        System.out.print("底牌：");
        for (Integer integer : bottom){
            System.out.print(pokers.get(integer)+"\t");
        }
    }

    private static void Deal_cards(List<Integer> listIntegers, TreeSet<Integer> player1, TreeSet<Integer> player2, TreeSet<Integer> player3, TreeSet<Integer> bottom) {
        //循环拿到每一张牌 留3张底牌
        for (int i = 0; i < listIntegers.size() - 3; i++) {
            Integer integer = listIntegers.get(i);
            if (i % 3 == 0) {
                //player1
                player1.add(integer);
            } else if (i % 3 == 1) {
                //player2
                player2.add(integer);
            } else {
                //player3
                player3.add(integer);
            }
        }

        //给底牌赋值
        bottom.add(listIntegers.get(51));
        bottom.add(listIntegers.get(52));
        bottom.add(listIntegers.get(53));
    }

    private static List<Integer> shuffleCard(HashMap<Integer, String> pokers) {
        //洗牌：54张牌顺序打乱 打乱序号 再根据序号拿的值就乱了

        //获取每一张牌的编号
        final Set<Integer> integers = pokers.keySet();//拿到键

        List<Integer> listIntegers = new ArrayList<>(integers);//将键转为列表

        Collections.shuffle(listIntegers);//打乱顺序
        return listIntegers;
    }

    private static void Ready_card(HashMap<Integer, String> pokers) {
        //4种花色
        String[] colors = {"♥", "♦", "♣", "♠"};//红桃 方片 梅花 黑桃
        //每种花色有13张牌
        String[] numbers = {"3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A", "2"};


        pokers.put(0, "大王");
        pokers.put(1, "小王");
        //通过循环拿到13张牌
        for (String number : numbers) {
            //通过循环拿到4种花色
            for (String color : colors) {
                //eg:2 ♥2
                pokers.put(pokers.size(), color + number);
                //System.out.print(color + number + "\t");
            }
        }
        //System.out.println(pokers);
    }
}

"D:\DevTools\Program Files\Java Development Kit\Java 17\jdk-17\bin\java.exe" 
player1 :小王	♥3	♦3	♥4	♣4	♣6	♦7	♥8	♠8	♦9	♣9	♥10	♦J	♠Q	♣K	♠K	♥A	

player2 :♦4	♠4	♥5	♣5	♥6	♦6	♣7	♥9	♦10	♥J	♣J	♥Q	♥K	♦K	♠A	♣2	♠2	

player3 :大王	♠3	♦5	♠5	♥7	♠7	♦8	♣8	♠9	♣10	♠J	♦Q	♣Q	♦A	♣A	♥2	♦2	

底牌：♣3	♠6	♠10	

Process finished with exit code 0