public class M1 {

    public static void main(String args[]) {

        DouDiZhu02();

    }

    private static void DouDiZhu02() {

        HashMap<Integer, String> hashMap = new HashMap<>();

        ArrayList<Integer> array = new ArrayList<>();

        String[] colors = {"♥", "♠", "♣", "♢"};

        String[] numbers = {"3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A", "2"};

        int index = 0;

        for (String number : numbers) {

            for (String color : colors) {

                hashMap.put(index, color + number);

                array.add(index);

                index++;

            }

        }

        hashMap.put(index, "小王");

        array.add(index);

        index++;

        hashMap.put(index, "大王");

        array.add(index);

        Collections.shuffle(array);

        TreeSet<Integer> set0 = new TreeSet<>();

        TreeSet<Integer> set1 = new TreeSet<>();

        TreeSet<Integer> set2 = new TreeSet<>();

        TreeSet<Integer> set9 = new TreeSet<>();

        for (int i = 0; i < array.size(); i++) {

            int x = array.get(i);

            if (i >= array.size() - 3) {

                set9.add(x);

            } else if (i % 3 == 0) {

                set0.add(x);

            } else if (i % 3 == 1) {

                set1.add(x);

            } else if (i % 3 == 2) {

                set2.add(x);

            }

        }

        lookPoker2("0 ", set0, hashMap);

        lookPoker2("1 ", set1, hashMap);

        lookPoker2("2 ", set2, hashMap);

        lookPoker2("底牌 ", set9, hashMap);

    }

    private static void lookPoker2(String name, TreeSet<Integer> ts, HashMap<Integer, String> hm) {

        System.out.print(name + "的牌是：");

        for (Integer key : ts) {

            String poker = hm.get(key);

            System.out.print(poker + " ");

        }

        System.out.println();

    }

    private static void DouDiZhu01() {

        ArrayList<String> array = new ArrayList<>();

        String[] colors = {"♥", "♠", "♣", "♢"};

        String[] numbers = {"2", "3", "4", "5", "6", "7", "8", "9", "10", "J", "Q", "K", "A"};

        for (String color : colors) {

            for (String number : numbers) {

                array.add(color + number);

            }

        }

        array.add("小王");

        array.add("大王");

        Collections.shuffle(array);

        //System.out.println(array);

        ArrayList<String> array0 = new ArrayList<>();

        ArrayList<String> array1 = new ArrayList<>();

        ArrayList<String> array2 = new ArrayList<>();

        ArrayList<String> arrayPoker = new ArrayList<>();

        for (int i = 0; i < array.size(); i++) {

            String poker = array.get(i);

            if (i >= array.size() - 3) {

                arrayPoker.add(poker);

            } else if (i % 3 == 0) {

                array0.add(poker);

            } else if (i % 3 == 1) {

                array1.add(poker);

            } else if (i % 3 == 2) {

                array2.add(poker);

            }

        }

        lookPoker1("0 ", array0);

        lookPoker1("1 ", array1);

        lookPoker1("2 ", array2);

    }

    private static void lookPoker1(String name, ArrayList<String> array) {

        System.out.println(name + "的牌是：");

        for (String poker : array) {

            System.out.print(poker + " ");

        }

        System.out.println();

    }

}