Java实现斗地主发牌(Collections工具类的应用)

package com.doudou_01;

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

public class Doudizhu {
    public static void main(String[] args) {
        String[] floorColor = {"方块","梅花","红桃","黑桃"};
        String[] nums = {"A","2","3","4","5","6","7","8","9","10","J","Q","K"};

        //制造扑克牌
        List<String> puke = new ArrayList<String>();
        for(int i=0;i<floorColor.length;i++) {
            for(int j=0;j<nums.length;j++) {
                puke.add(floorColor[i]+nums[j]);
            }
        }
        //添加大小王
        puke.add("大王");
        puke.add("小王");
        //打印一下扑克牌
        System.out.println(puke);

        //洗牌
        Collections.shuffle(puke);

        //打印洗牌之后的牌
        System.out.println(puke);

        //三个打牌的a,b,c
        List<String> a = new ArrayList<String>();
        List<String> b = new ArrayList<String>();
        List<String> c = new ArrayList<String>();

        final int PEPLENUM = 3;
        for(int i=0;i<puke.size()-3;i++){
            if(i%PEPLENUM == 0) {
                a.add(puke.get(i));
            }else if(i%PEPLENUM == 1){
                b.add(puke.get(i));
            }else if(i%PEPLENUM == 2){
                c.add(puke.get(i));
            }
        }
        System.out.println("a的牌"+a.size());
        System.out.println(a);
        System.out.println("b的牌"+b.size());
        System.out.println(b);
        System.out.println("c的牌"+c.size());
        System.out.println(c);

        //打印底牌
        for(int i=puke.size()-3;i<puke.size();i++) {
            System.out.println(puke.get(i));
        }
    }
}