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/**

* A standard playing card.

*/

public class Card {

public static final String[] RANKS = {

null, "Ace", "2", "3", "4", "5", "6", "7",

"8", "9", "10", "Jack", "Queen", "King"};

public static final String[] SUITS = {

"Clubs", "Diamonds", "Hearts", "Spades"};

private final int rank;

private final int suit;

/**

* Constructs a card of the given rank and suit.

*/

public Card(int rank, int suit) {

this.rank = rank;

this.suit = suit;

}

/**

* Returns a negative integer if this card comes before

* the given card, zero if the two cards are equal, or

* a positive integer if this card comes after the card.

*/

public int compareTo(Card that) {

if (this.suit < that.suit) {

return -1;

}

if (this.suit > that.suit) {

return 1;

}

if (this.rank < that.rank) {

return -1;

}

if (this.rank > that.rank) {

return 1;

}

return 0;

}

/**

* Returns true if the given card has the same

* rank AND same suit; otherwise returns false.

*/

public boolean equals(Card that) {

return this.rank == that.rank

&& this.suit == that.suit;

}

/**

* Gets the card's rank.

*/

public int getRank() {

return this.rank;

}

/**

* Gets the card's suit.

*/

public int getSuit() {

return this.suit;

}

/**

* Returns the card's index in a sorted deck of 52 cards.

*/

public int position() {

return this.suit * 13 + this.rank - 1;

}

/**

* Returns a string representation of the card.

*/

public String toString() {

return RANKS[this.rank] + " of " + SUITS[this.suit];

}

}