Create Card class with Kinds of suits, Kinds of ranks - Java Object Oriented Design

Java examples for Object Oriented Design:Class

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Description

Create Card class with Kinds of suits, Kinds of ranks

Demo Code



public class Card {
    private final int rank;
    private final int suit;

    // Kinds of suits
    public final static int DIAMONDS = 1;
    public final static int CLUBS = 2;
    public final static int HEARTS = 3;
    public final static int SPADES = 4;

    // Kinds of ranks
    public final static int ACE = 1;
    public final static int DEUCE = 2;
    public final static int THREE = 3;
    public final static int FOUR = 4;
    public final static int FIVE = 5;
    public final static int SIX = 6;
    public final static int SEVEN = 7;
    public final static int EIGHT = 8;
    public final static int NINE = 9;
    public final static int TEN = 10;
    public final static int JACK = 11;
    public final static int QUEEN = 12;
    public final static int KING = 13;

    public Card(int rank, int suit) {
        assert isValidRank(rank);
        assert isValidSuit(suit);
        this.rank = rank;
        this.suit = suit;
    }/*from   w  w  w .j  a v  a  2  s  .c o m*/

    public int getSuit() {
        return suit;
    }

    public int getRank() {
        return rank;
    }

    public static boolean isValidRank(int rank) {
        return ACE <= rank && rank <= KING;
    }

    public static boolean isValidSuit(int suit) {
        return DIAMONDS <= suit && suit <= SPADES;
    }

    public static String rankToString(int rank) {
        switch (rank) {
        case ACE:
            return "Ace";
        case DEUCE:
            return "Deuce";
        case THREE:
            return "Three";
        case FOUR:
            return "Four";
        case FIVE:
            return "Five";
        case SIX:
            return "Six";
        case SEVEN:
            return "Seven";
        case EIGHT:
            return "Eight";
        case NINE:
            return "Nine";
        case TEN:
            return "Ten";
        case JACK:
            return "Jack";
        case QUEEN:
            return "Queen";
        case KING:
            return "King";
        default:
            //Handle an illegal argument.  There are generally two
            //ways to handle invalid arguments, throwing an exception
            //(see the section on Handling Exceptions) or return null
            return null;
        }
    }

    public static String suitToString(int suit) {
        switch (suit) {
        case DIAMONDS:
            return "Diamonds";
        case CLUBS:
            return "Clubs";
        case HEARTS:
            return "Hearts";
        case SPADES:
            return "Spades";
        default:
            return null;
        }
    }

    public static void main(String[] args) {

        // must run program with -ea flag (java -ea ..) to
        // use assert statements
        assert rankToString(ACE) == "Ace";
        assert rankToString(DEUCE) == "Deuce";
        assert rankToString(THREE) == "Three";
        assert rankToString(FOUR) == "Four";
        assert rankToString(FIVE) == "Five";
        assert rankToString(SIX) == "Six";
        assert rankToString(SEVEN) == "Seven";
        assert rankToString(EIGHT) == "Eight";
        assert rankToString(NINE) == "Nine";
        assert rankToString(TEN) == "Ten";
        assert rankToString(JACK) == "Jack";
        assert rankToString(QUEEN) == "Queen";
        assert rankToString(KING) == "King";

        assert suitToString(DIAMONDS) == "Diamonds";
        assert suitToString(CLUBS) == "Clubs";
        assert suitToString(HEARTS) == "Hearts";
        assert suitToString(SPADES) == "Spades";

    }
}

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 * are met:
 *
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 *     notice, this list of conditions and the following disclaimer.
 *
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 *
 *   - Neither the name of Oracle or the names of its
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
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