斗地主分牌操作

package doudizhu;
import java.lang.reflect.Array;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;

public class demo {
    public static void main(String[]args){
        ArrayList<String> cards=new ArrayList<>();
        cards.add("color joker");
        cards.add("black joker");
        String [] str1={"♣","♦","♠","♥"};
        String [] str2={"A","2","J","K","Q","9","8","7","6","5","4","3","10"};
        for(int i=0;i<4;i++) {

            for (int j =0; j<str2.length; j++) {
                cards.add(str1[i]+str2[j]);
            }
        }
        System.out.println(cards.toString());
        Collections.shuffle(cards);
        System.out.println(cards);
        ArrayList<String> play1=new ArrayList<>();
        ArrayList<String> play2=new ArrayList<>();
        ArrayList<String> play3=new ArrayList<>();
        ArrayList<String> dipai=new ArrayList<>();
        for (int i=0;i<cards.size()-3;i++) {
            if (i % 3 == 0) {
                play1.add(cards.get(i));
            } else if (i % 3 == 1) {
                play2.add(cards.get(i));
            } else {
                play3.add(cards.get(i));
            }
        }
        for(int i=51;i<cards.size();i++){
            dipai.add(cards.get(i));
        }

            System.out.println(play1.toString());


            System.out.println(play2.toString());

            System.out.println(play3.toString());
            System.out.println(dipai.toString());



    }