Find MemberKeyDictionary

Instructions

1. In the Class Browser, select the Classes | Find... menu command.
   The Find Type dialog is displayed.
2. Enter MemberKeyDictionary and click the OK Button.
   The MemberKeyDictionary class and its superclasses Dictionary, Btree and Collection are displayed.

Why Find this Class?

You will shortly add a BookDictionary class, which is to inherit all the functionality of the MemberKeyDictionary class. By default, when you add a class, it is assumed to be a subclass of the currently selected class in the Class Browser.

The previous classes you added, Book and Borrower, were direct subclasses of the Object class.