December 2001
Intermediate to advanced
416 pages
8h 16m
English
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Chapter 4. Interface Inheritance
An interface specifies a set of abstract methods and properties. Like an abstract base class, an interface is made concrete by each of its derived classes. Unlike an abstract base class, an interface cannot provide a default implementation or define state, such as an instance data member or constant.
An abstract base class provides a common interface for a family of related types. In computer graphics, for example, Light may serve as an abstract base class for a family of lights. Users are likely to manipulate the lights in a scene independently of the actual type—turning them on or off, repositioning them, changing their color and intensity, and so on. The delivery of a Light hierarchy includes the abstract base ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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