public class EnumTest1 {
    enum Suit {CLUBS, DIAMONDS, HEARTS, SPADES}

    public static void main(String[] args) {
        Suit suit = Suit.CLUBS;
        Suit suit2 = Suit.DIAMONDS;

        // ‘ã“ü
        suit = suit2;
        suit2 = Suit.SPADES;

        // ”äŠr
        if (suit == Suit.HEARTS) {
            System.out.println("Suit is HEARTS");
        } else {
            System.out.println("Suit is NOT HEARTS");
        }

        // equals
        if (suit.equals(Suit.DIAMONDS)) {
            System.out.println("Suit is DIAMONDS");
        } else {
            System.out.println("Suit is NOT DIAMONDS");
        }

        // compareTo
        if (suit.compareTo(Suit.HEARTS) > 0) {
            System.out.println("Suit is bigger than HEATS");
        } else if (suit.compareTo(Suit.HEARTS) < 0) {
            System.out.println("Suit is less than HEATS");
        } else {
            System.out.println("Suit is HEATS");
        }
    }
}