AV3 PlayingCards

package AV3;

import java.util.Objects;

public class PlayingCard {
    private int rank;
    private PlayingCardType type;

    public PlayingCard(int rank, PlayingCardType type)
    {
        this.rank=rank;
        this.type=type;
    }

    public void setType(PlayingCardType type) {
        this.type = type;
    }

    public void setRank(int rank) {
        this.rank = rank;
    }

    public int getRank() {
        return rank;
    }

    public PlayingCardType getType() {
        return type;
    }

    @Override
    public String toString() {
        return String.format("%d %s",rank,type.name());
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        PlayingCard that = (PlayingCard) o;
        return rank == that.rank && type == that.type;
    }

    @Override
    public int hashCode() {
        return Objects.hash(rank, type);
    }
}
package AV3;

import java.util.Arrays;
import java.util.Collections;
import java.util.List;

public class Deck {
    private PlayingCard[] cards;
    private boolean[] isDealt;
    private int dealtTotal;

    public Deck() {
        cards = new PlayingCard[52];
        isDealt=new boolean[52];
        dealtTotal=0;

        for (int i = 0; i < PlayingCardType.values().length; i++) {
            for (int j = 0; j < 13; j++) {
                cards[i * 13 + j] = new PlayingCard(j + 2, PlayingCardType.values()[i]);
            }
        }
    }

    public PlayingCard[] getCards() {
        return cards;
    }

    public void setCards(PlayingCard[] cards) {
        this.cards = cards;
    }

    @Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Deck deck = (Deck) o;
        return Arrays.equals(cards, deck.cards);
    }

    @Override
    public int hashCode() {
        return Arrays.hashCode(cards);
    }

    @Override
    public String toString() {
        StringBuilder stringBuilder = new StringBuilder();

        for (PlayingCard card : cards) {
            stringBuilder.append(card.toString());
            stringBuilder.append("\n");
        }
        return stringBuilder.toString();
    }

    public boolean hasCardsLeft() {
        return (cards.length - dealtTotal) > 0;
    }

    public PlayingCard dealCard() {
        if (!hasCardsLeft()) return null;

        int card = (int) (Math.random() * 52);

        if (!isDealt[card]) {
            isDealt[card] = true;
            dealtTotal++;
            return cards[card];
        }
        return dealCard();
    }

    public PlayingCard[] shuffle() {
        List<PlayingCard> playingCardList = Arrays.asList(cards);
        Collections.shuffle(playingCardList);
        return cards;
    }

    public static void main(String[] args) {
        Deck deck = new Deck();
        System.out.println(deck);
        deck.shuffle();
        System.out.println(deck);
        PlayingCard card;
        while ((card = deck.dealCard()) != null) {
            System.out.println(card);
        }
    }
}


//PlayingCardType.values() vraka niza od enumeracijata ke iterira niz heart diamond..

package AV3;

import java.util.Arrays;

public class MultipleDecks {
    private Deck[]decks;
    public MultipleDecks(int numOfDecks)
    {
        decks=new Deck[numOfDecks];
        for(int i=0;i<numOfDecks;i++)
        {
            decks[i]=new Deck();
        }
    }

    @Override
    public String toString() {
        StringBuilder stringBuilder=new StringBuilder();
        for(Deck deck : decks)
        {
            stringBuilder.append(deck.toString());
            stringBuilder.append("\n");
        }
        return stringBuilder.toString();
    }

    public static void main(String[] args) {
        MultipleDecks multipleDecks=new MultipleDecks(3);
        System.out.println(multipleDecks);
    }
}

package AV3;

public enum PlayingCardType {
    HEARTS,
    DIAMONDS,
    SPADES,
    CLUBS
}