Java集合实战：手把手教你用ArrayList模拟斗地主发牌-优快云博客

本文链接：https://blog.youkuaiyun.com/Simith12/article/details/146455051

一、案例效果演示

通过ArrayList集合实现斗地主发牌功能：

生成完整扑克牌（含大小王）
洗牌操作
模拟玩家抢地主
按规则排序手牌

最终效果图：
![运行效果示意图]

二、核心实现步骤

步骤1：创建扑克牌对象

public class card {
    private String number; // 牌面值
    private String color;  // 花色
    private int size;      // 权重值

    // 构造方法、getter/setter省略
    @Override
    public String toString() {
        return color + number;
    }
}

步骤2：初始化牌桌

public class room {
    private ArrayList<card> arr = new ArrayList<>();
    
    public room() {
        String[] numbers = {"3","4","5","6","7","8","9","10","J","Q","K","A","2"};
        String[] colors = {"♠","♥","♦","♣"};
        
        int size = 0;
        for(String num : numbers){
            size++;
            for(String color : colors){
                arr.add(new card(num, color, size));
            }
        }
        // 添加大小王
        arr.add(new card("X", "∷", ++size));
        arr.add(new card("D", "※", ++size));
    }
}

步骤3：洗牌与发牌

public void start() {
    Collections.shuffle(arr); // 随机打乱
    
    List<card> A = new ArrayList<>();
    List<card> B = new ArrayList<>();
    List<card> C = new ArrayList<>();
    
    // 分发基础牌
    for(int i=0; i<arr.size()-3; i++){
        switch(i%3){
            case 0: A.add(arr.get(i)); break;
            case 1: B.add(arr.get(i)); break;
            case 2: C.add(arr.get(i)); break;
        }
    }
    
    // 分发地主牌
    List<card> lordCards = arr.subList(arr.size()-3, arr.size());
    A.addAll(lordCards); // 模拟A抢地主
}

步骤4：手牌排序

private void sortCards(List<card> handCards) {
    Collections.sort(handCards, new Comparator<card>(){
        @Override
        public int compare(card o1, card o2) {
            return o1.getSize() - o2.getSize();
        }
    });
}