// A playing card interface.  
// Advertises all the public features of a card object.

public interface CardInterface{
    // "final" is what makes them constants
    // "static" shares one copy of the value over all objects 
    // in class.  I.e., all objects get access to same copy
    
    // Constants
    static final int CLUBS = 0;
    static final int DIAMONDS = 1;
    static final int HEARTS = 2;
    static final int SPADES = 3;
    
    // No need to start with 0 as first value;  
    // they need not even be consecutive
    static final int TWO = 2;
    static final int THREE = 3;
    static final int FOUR = 4;
    static final int FIVE = 5;
    static final int SIX = 6;
    static final int SEVEN = 7;
    static final int EIGHT = 8;
    static final int NINE = 9;
    static final int TEN = 10;
    static final int JACK = 11;
    static final int QUEEN = 12;
    static final int KING = 13;
    static final int ACE = 14;

    // Methods
    int getSuit();
    int getRank();
}