9 Object-Oriented Programming (Shared web hosting) Objectives To understand inheritance
9 Object-Oriented Programming Objectives To understand inheritance and software reusability. To understand superclasses and subclasses. To appreciate how polymorphism makes systems extensible and maintainable. To understand the distinction between abstract classes and concrete classes. To learn how to create abstract classes and interfaces. Say not you know another entirely, till you have divided an inheritance with him. Johann Kasper Lavater This method is to define as the number of a class the class of all classes similar to the given class. Bertrand Russell Good as it is to inherit a library, it is better to collect one. Augustine Birrell General propositions do not decide concrete cases. Oliver Wendell Holmes A philosopher of imposing stature doesn t think in a vacuum. Even his most abstract ideas are, to some extent, conditioned by what is or is not known in the time when he lives. Alfred North Whitehead Copyright 1992 2002 by Deitel & Associates, Inc. All Rights Reserved. 7/7/01