private final Card[]cards, how do I use this in another class

Dogfac3 :

Private final Card[]cards;
Public Deck(){
this.cards = new Card[52];
int i = 0;
for (Suit suit:Suit.values()){
 for(Rank rank:Rank.values()){
  cards[i++] = new Card(rank,suit);
   }
  }
}

This is an array of cards it works in the class it is made called Deck. I am trying to make a card game that implements this along with other classes. I want the Deck class to be reusable so it works in any card game. I want a Deck of cards essentially. Now I know it works because I can use the printDeck() method I have in the same class to print off a deck of cards but don't know how or even if I can call it in a card game. Why would I need a getter when the new operator creates an instance of Deck which is essentially an array of Card [52] cards? I want this Deck to be reusable so I don't have to rewrite it for every different type of card game.

nullPointer :

You can simply define a getter method in your Deck class as below :

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

Them from another class you can use this getter method once you have a Deck object :

Card[] cards = yourDeckObject.getCards();