Question

Write a class whose instances represent a single playing card from a deck of cards. Playing cards have two distinguishing properties: rank and suit. Use an enum type to represent rank and another enum type to represent suit. Write another class whose instances represent a full deck of cards. Both these classes should have toString methods. Write a small program to test your deck and card classes. The program can be as simple as creating a deck of cards and displaying its cards by calling its toString method.

(You might need to create the following files: Suit.java for enum type, Rank.java for enum type, Card.java, Deck.java and DeckDemo.java)

Answer 1

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Suit.java:

//Suit.java

//Declare Suit as enum type

public enum Suit {

       //SPADE,CLUB,DIAMOND,HEART as type of

       //enum variables

    SPADE, CLUB, DIAMOND, HEART

}

Rank.java:

//Rank.java

//Declare Rank as type of enum

public enum Rank {

       //Decalre ONE, TWO, THREE, FOUR, FIVE, SIX,

       //SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING, ACE

       //as type of enum variables

    ONE, TWO, THREE, FOUR, FIVE, SIX, SEVEN, EIGHT, NINE, TEN, JACK, QUEEN, KING, ACE

}

Card.java:

//Card.java

//Implementation of Card class

public class Card {

       //Declae suit as type of Suit

    private Suit suit;

    //Declare rank as type of Rank

    private Rank rank;

    //Implementation of parameterized constructor

    public Card(Suit s, Rank r) {

       //assign s to this.suit

        this.suit = s;

        //assign r to this.rank

        this.rank = r;

    }

    //Implementation of getRank function

    public Rank getRank() {

        return rank;

    }

    //Implementation of getSuit function

    public Suit getSuit() {

        return suit;

    }

    //Implementation of toString function

    public String toString()

    {

       //Declare str as type of String

       String str = rank +" of "+suit;

       //return str

        return str ;

    }

}

Deck.java:

//Deck.java

import java.util.ArrayList;

//Implementation of Deck class

public class Deck {

       //Declare listOfCards as type of ArrayList<Card>

    private ArrayList<Card> listOfCards;

    //and assign 0

    private int cardCount = 0;

    //Implementation of Default constructor

    public Deck() {

       listOfCards = new ArrayList<>();

       //Iterate the loop

        for (Suit each : Suit.values())

        {

             //Iterate the loop

            for (Rank eachRank : Rank.values())

            {

            //Create Card class object through new

            Card requiredCard = new Card(each, eachRank);

            //call add function

            listOfCards.add(requiredCard);

            }

        }

        //Initilaize cardCount with 0

        cardCount = 0;

    }

    //Implementation of dealCards function

    public Card dealCards() {

       //increment cardCount by 1

       //call get functon

        return listOfCards.get(cardCount++);

    }

    //Implementation of containCard function

    public boolean containCard() {

       //return the resultant value of cardCount is

        return cardCount < listOfCards.size();

    }

    //Implementation of toString function

    public String toString() {

             return listOfCards.toString();

    }

}

DeckDemo.java:

//DeckDemo.java

//Implementation of DeckDemo class

public class DeckDemo {

       //Implementation of main function

    public static void main(String[] args)

    {

       //Declare an object deckDetails of Deck class

       //and initialize

        Deck deckDetails = new Deck();

        //Iterate the loop

        while (deckDetails.containCard()){

             //Display statement

            System.out.println(deckDetails.dealCards());

        }

    }

}