java”斗地主“简单“新建54牌，洗牌，留3张底牌，发牌，理牌”展示 的过程

package zr;

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

public class DouDiZhu {
public static void main(String[] args) {
//1.新建54牌
List pokes = new ArrayList<>();

    List<String> colors = new ArrayList<>();
    List<String> numbers = new ArrayList<>();

    colors.add("♥");
    colors.add("♠");
    colors.add("♦");
    colors.add("♣");
    numbers.add("A");
    for(int i=2;i<=10;i++){
        numbers.add(i+"");
    }
    numbers.add("J");
    numbers.add("Q");
    numbers.add("K");
    for (String c:colors){
        for(String n:numbers){
            String pai = c+n;
            pokes.add(pai);
        }
    }
    pokes.add("小");
    pokes.add("大");
    //2.洗牌
    Collections.shuffle(pokes);
    System.out.println("洗牌："+pokes);
    //3.留3张底牌
    //4.发牌
    ArrayList<String> xiaominabao = new ArrayList<>();
    ArrayList<String> jingtongxue = new ArrayList<>();
    ArrayList<String> hualili = new ArrayList<>();
    ArrayList<String> dipai = new ArrayList<>();
    for (int i=0;i<pokes.size();i++){
        String pai =  pokes.get(i);
        if (i>=51){
            dipai.add(pai);
        }else {
            if (i%3==0){
                xiaominabao.add(pai);
            }else if (i%3==1){
                jingtongxue.add(pai);
            }else {
                hualili.add(pai);
            }
        }
    }
    System.out.println("随机发牌");
    System.out.println("底牌："+dipai);
    System.out.println("小面包："+xiaominabao);
    System.out.println("金同学："+jingtongxue);
    System.out.println("华丽丽："+hualili);
    //理牌
    Comparator sortPK = new Comparator<String>() {
        String numorder = "3,4,5,6,7,8,9,10,J,Q,K,A,2,小,大";
        public int compare(String o1,String o2){
            o1=o1.replaceAll("[^a-zA-Z0-9小大]","");
            o2=o2.replaceAll("[^a-zA-Z0-9小大]","");
            int i1=numorder.indexOf(o1);
            int i2=numorder.indexOf(o2);

            return i1-i2;
        }
    };
    Collections.sort(xiaominabao,sortPK);
    Collections.sort(jingtongxue,sortPK);
    Collections.sort(hualili,sortPK);
    System.out.println("理牌");
    System.out.println("小面包："+xiaominabao);
    System.out.println("金同学："+jingtongxue);
    System.out.println("华丽丽："+hualili);
}

}