// The purpose of the class is to evaluate the correctness of 
// both the the BookMembershipCard and the CMembershipCard as well.

// Get an instance of a member's cd card
MC = BK.getMember (0).getCard (0);

// I can only have one card at a time 

// First we check if MC is indeed the instance of a CMembershipCard.
// (instanceof returns a boolean value.)
If (MC instanceof CDMembershipCard)

// Print the appropriate messages to the console, so as to inform the user
// what we are doing.
System.out.println ("Retrieving Artur Miller's CD Membership Card.");
System.out.println ("Taking 2 items.");
MC.takeItemsOnApproval (2);

System.out.println ("Returning 1 item.");
MC.returnItems (1);

System.out.println ("Bying 8 items.");
MC. buyItems(8);


// Get an instance of a member's book card
MC = BK.getMember (0).getCard (1);

// First we check if MC is indeed the instance of a BookMembershipCard.
// (instanceof returns a boolean value.)
If (MC instanceof BookMembershipCard)
// Print the appropriate messages to the console, so as to inform the user
// what we are doing.
System.out.println ("Retrieving Henry Rammstein's Book Membership
Card.");

System.out.println ("Taking 2 items.");
MC.takeItemsOnApproval (2);

System.out.println ("Returning 3 items."); 
MC.returnItems (3);

System.out.println ("Bying 2 items.");
MC. buyItems (2); 

} // End of main. 

} // End of TestClass.