Data Structures and Algorithms
with Object-Oriented Design Patterns in C++ 
Program 
declares the QueueAsArray class.
The QueueAsArray class is a concrete class
that provides an array-based queue implementation.
As such, it must provide an implementation for all of the
inherited pure virtual functions--the function prototypes have been elided for the sake of brevity.
Program: QueueAsArray Class Definition
Copyright © 1997 by Bruno R. Preiss, P.Eng. All rights reserved.