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Asked: 2026-06-14T23:12:02+00:00

My deck create an array of Card objects, and it prints out successfully that

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My deck create an array of Card objects, and it prints out successfully that it is updated. I want to make a third class to implement the program: create a deck object, ask players how many card they want and then pass them out randomly. In the PlayingTable class at the bottom I try to create an instance of a deck and scan it to make all the information in the deck is there. It says I can’t scan a deck object because it’s not an array, and I’m not quite sure where to go from here….

Here’s my code for the two classes:

public class Card

{

    //Instance properties//
    private String cardNum; 
    private String cardSuit;

    //Instance Methods // 
    //Constructor, create an instance of card
    public Card( String num , String suit ) 
    {
        System.out.println( "Creating a card.");
        cardNum = num ;
        cardSuit = suit;    
    }       
     public void display()
     { 
    System.out.println("This card is a" + " "+ cardNum + cardSuit);
    }

}

public class Deck

{
// Instance properties//

 //Number of cards in a deck
 public static int numCards = 52; 
 private static Card [ ] deck= new Card [numCards];
 private static String [ ] cardValue = { "Ace", "2", "3", "4", "5", "6", "7", "8", "9", "10", "Jack", "Queen", "King" } ;
 private static String [ ] cardSuit = { " of Hearts" , " of Spades", " of Clubs", " of Diamonds" };

 //Instance methods and Constructor//
 /*public void Deck ( )
 {


 }*/

 public static void fillDeck ( )
 {

    int eachCard = 0 ;

    for ( int i = 0; i < cardValue.length ; i++ )
    {
     for ( int j = 0 ; j < cardSuit.length ; j++ )
        {

         deck[eachCard++] = new Card ( cardValue [i] , cardSuit [j] );

        }
     } 
 }

public static void getDeck ()
{
    for ( int i = 0; i < numCards ; i++ )
   {
    fillDeck();
    //System.out.println( " This is card" + i + " " + " of the deck" );
    deck[i].display();
    }
}   
public static void main (String [] args ) 
{ 
    getDeck();
}

}

public class PlayingTable
{
static Deck dealersDeck = new Deck();

    public static void main ( String [] args )
    {  

        for ( int i = 0 ; i < 52; i++)
        {
              System.out.println ( dealersDeck[i].getDeck());
        }

    }

}

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1 Answer

  1. Editorial Team

    Q: How do I display information form one class … [from] … another class?

    A: Provide public “getter” methods (or, if you’re programming #, “properties”) in the “other class”.

    Here’s a good tutorial on C# properties:

    And a discussion on Java “getter/setter” methods:

    Finally, here’s a discussion on OO “encapsulation”, an issue that actually transcends “properties”, “getter/setter methods” … AND … “displaying information in one class from another”:

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