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C++ Primer Plus, Fourth Edition
book

C++ Primer Plus, Fourth Edition

by Stephen Prata
November 2001
Beginner content levelBeginner
1128 pages
29h 12m
English
Sams
Content preview from C++ Primer Plus, Fourth Edition

Polymorphic Public Inheritance

The RatedPlayer example of inheritance is a simple one. Objects of the derived class use the base class methods without change. But you can encounter situations in which you want a method to behave differently for the derived class than it does for the base class. That is, the way a particular method behaves will depend upon the object that invokes it. This more sophisticated behavior is termed polymorphic (“having many forms”) because you can have multiple behaviors for a method, depending upon the context. There are two key mechanisms for implementing polymorphic public inheritance:

  • Redefining base class methods in a derived class

  • Using virtual methods

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Publisher Resources

ISBN: 0672322234Purchase book