JAVA 自动发牌，

JAVA 面向对象 程序设计 微课版 P118页

 第1 个玩家:
红心2 红心A 草花A 草花K 黑桃Q 草花Q 方块Q 草花J 方块9 黑桃8 红心8 草花8 黑桃7 黑桃5 方块5 方块4 红心3 
 第2 个玩家:
小王 草花2 方块A 方块K 黑桃J 红心J 黑桃10 红心10 草花10 黑桃9 红心9 草花9 方块8 草花7 方块7 黑桃6 红心5 
 第3 个玩家:
大王 黑桃2 方块2 黑桃A 红心K 方块J 方块10 红心7 红心6 草花6 方块6 草花5 黑桃4 红心4 黑桃3 草花3 方块3 

底牌:
草花4
红心Q
黑桃K
 

package _8;

public class Card {
    private static String face[]={"J","Q","K","A","2","小王","大王"};
    private static String suit[]={"方块","草花","红心","黑桃"};
    private int rank;//片的点数
    private int suitIdx;//花色编号

    public int getRank() {
        return rank;
    }

    public int getSuitIndex() {
        return suitIdx;
    }
    public Card(int rank,int suitIdx){
        this.rank =rank;
        this.suitIdx =suitIdx;
    }

    @Override
    public String toString() {
        if(rank<=10)
            return suit[suitIdx]+rank;
        else if(rank<=15)
            return suit[suitIdx]+face[rank -11 ];
        else
            return face[rank-11];
    }
}

package _8;

import java.util.Comparator;

public class CardComparator implements Comparator {
    @Override
    public int compare(Card o1, Card o2) {
        if(o1.getRank()==o2.getRank())
            return o2.getSuitIndex() -o1.getSuitIndex();
        else
            return o2.getRank()-o1.getRank();
    }
}

package _8;

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

public class CardTest {
    public static void main(String[] args) {
        List cards = new ArrayList();//所有牌
        List> p_cards = new ArrayList>();//多个人，每个人多张牌

        for (int i = 3; i <= 15; i++) {
            for (int j = 0; j < 4; j++) {
                cards.add(new Card(i, j));
            }
        }
        cards.add(new Card(16, 0));
        cards.add(new Card(17, 0));


        for (int i = 0; i < 3; i++) {
            List p_card = new ArrayList();
            p_cards.add(p_card);
        }

        Collections.shuffle(cards);//洗牌
        CardComparator comparator = new CardComparator();

        //分发牌
        for (int i = 0; i < 3; i++) {
            for (int j = 0; j < 17; j++) {
                Card card = cards.remove(0);
                p_cards.get(i).add(card);
            }
        }
        //打印三个人手中信息
        for (int i = 0; i < 3; i++) {
            //p_cards.get(i).sort(comparator);
            Collections.sort(p_cards.get(i), comparator);
            System.out.println(" 第" + (i + 1) + " 个玩家:");
            for (int j = 0; j < p_cards.get(i).size(); j++) {
                System.out.print(p_cards.get(i).get(j) + " ");
            }
            System.out.println();
        }

        //底牌
        System.out.println("底牌:");
        for (Card card : cards) System.out.println(card);

    }
}