扑克牌小程序--联系Collection

public class Poker {
    List<String> list = new ArrayList<>();

    //准备牌
    public void read() {
        List<String> num = new ArrayList<>();
        List<String> color = new ArrayList<>();
        for (int i = 2; i <= 10; i++) {
            num.add(i + "");
        }
        num.add("A");
        num.add("J");
        num.add("Q");
        num.add("K");
        color.add("♥");
        color.add("♣");
        color.add("♠");
        color.add("♦");
        for (String n : num) {
            for (String c : color) {
                list.add(n + c);
            }
        }
        list.add("大王");
        list.add("小王");


    }


    //洗牌
    public void shuffle() {
        Collections.shuffle(list);
    }

    //发牌
    List<String> play1 = new ArrayList<>();
    List<String> play2 = new ArrayList<>();
    List<String> play3 = new ArrayList<>();
    List<String> dipai = new ArrayList<>();

    public void rLicensing() {

        for (int i = 3; i < list.size(); i++) {
            String p = list.get(i);
            if (i % 3 == 0) {
                play1.add(p);
            } else if (i % 3 == 1) {
                play2.add(p);
            } else {
                play3.add(p);
            }
        }
        dipai.add(list.get(0));
        dipai.add(list.get(1));
        dipai.add(list.get(2));
    }

    //看牌
    public void show() {
        System.out.println("play1:" + play1);
        System.out.println("play2:" + play2);
        System.out.println("play3:" + play3);
        System.out.println("底牌:" + dipai);
    }
}

//测试类

public class PokerTest {
    public static void main(String[] args) {
        Poker a=new Poker();
        a.read();
        a.shuffle();
        a.rLicensing();
        a.show();
    }
}