Java枚举扑克牌

扑克牌的两个属性，花色（suit）和点数（rank）

创建一个类 Card

package com.syz.card;
import java.io.Serializable;
public class Card implements Serializable{
    private static final long serialVersionUID = -4279016186402068401L;
    private int suit;
    private int rank;
    public static final int SPADE = 0;
    public static final int HEART = 1;
    public static final int CLUB = 2;
    public static final int DIAMOND = 3;
    public static final int BLACK = 4;
    public static final int RED = 5;
    private static final String[] suits = new String[] { "黑桃", "红桃", "梅花", "方块",
            "小", "大" };
    public static final int ACE = 1000;
    public static final int TWO = 1001;
    public static final int THREE = 1002;
    public static final int FOUR = 1003;
    public static final int FIVE = 1004;
    public static final int SIX = 1005;
    public static final int SEVEN = 1006;
    public static final int EIGHT = 1007;
    public static final int NINE = 1008;
    public static final int TEN = 1009;
    public static final int JACK = 1010;
    public static final int QUEEN = 1011;
    public static final int KING = 1012;
    public static final int JOKER = 1013;
    private static final String[] ranks = new String[] { "A", "2", "3", "4",
            "5", "6", "7", "8", "9", "10", "J", "Q", "K", "王" };
    public Card(int suit, int rank) {
        if (suit > -1 && suit < 6) {
            if (suit < 4) {
                if (rank < 1000 || rank > 1012) {
                    throw new IllegalArgumentException("花色或点数参数错误！");
                }
            }
            else {
                if (rank != 1013) {
                    throw new IllegalArgumentException("花色或点数参数错误！");
                }
            }
        }
        else {
            throw new IllegalArgumentException("花色参数错误！");
        }
        this.suit = suit;
        this.rank = rank;
    }
    public int getSuit() {
        return suit;
    }
    public int getRank() {
        return rank;
    }
    public String toString() {
        return suits[suit] + ranks[rank - 1000];
    }
}