import java.util.*;
public class Card{public static void main(String[] args){ArrayList<String> color = new ArrayList<String>();ArrayList<String> num = new ArrayList<String>();color.add("♠️");color.add("♥️");color.add("◇");color.add("♣️");for(int i=2; i<=10; i++){//很神奇，可以把add（）里面的数据变成字符串num.add(i+ "");}num.add("J");num.add("A");num.add("K");num.add("Q");//map是一副牌 54张HashMap<Integer, String> map = new HashMap<Integer, String>();int index = 0;for (String thisColor: color){for (String thisNum: num){map.put(index++, thisColor + thisNum);}}map.put(index++, "小王");map.put(index++, "大王");ArrayList<Integer> cards = new ArrayList();//这里就是intfor(int i=0; i<54; i++){cards.add(i);}//将cards顺序打乱
        Collections.shuffle(cards);//System.out.println(cards);//System.out.println(map);//创建三个玩家ArrayList<Integer> player1 = new ArrayList();ArrayList<Integer> player2 = new ArrayList();ArrayList<Integer> player3 = new ArrayList();ArrayList<Integer> SecreatCards = new ArrayList();for(int i=0; i<cards.size(); i++){if(i>50){SecreatCards.add(cards.get(i));}else if(i%3 == 0){player1.add(cards.get(i));}else if(i%3 == 1){player2.add(cards.get(i));}else {player3.add(cards.get(i));}}Collections.sort(player1);Collections.sort(player2);Collections.sort(player3);ArrayList<String> sPlayer1 = new ArrayList<String>();ArrayList<String> sPlayer2 = new ArrayList<String>();ArrayList<String> sPlayer3 = new ArrayList<String>();for(Integer key : player1){//这里的key应该是object类，所以用Integer而不是int
            sPlayer1.add(map.get(key));}for(Integer key : player2){sPlayer2.add(map.get(key));}for(Integer key : player3){sPlayer3.add(map.get(key));}System.out.println("player1：" + sPlayer1);System.out.println("player2：" + sPlayer2);System.out.println("player3：" + sPlayer3);System.out.println("底牌：" + SecreatCards);}}