September 2002
Intermediate to advanced
1272 pages
31h 12m
English
Content preview from Cocoa® Programming
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Providing Backward Compatibility
The dynamic nature of Objective-C partially solves a problem known as the “fragile base class problem,” but it doesn’t solve it completely. The main issue in the fragile base class problem is that whenever an object’s interface changes, all objects that interact with the changed object need to be recompiled. With Objective-C, a recompile is only needed if the number or order of instance variables change, and usually only subclasses of the changed object need to be recompiled.
NOTE
More experienced programmers will recognize that this is an oversimplification of the issues and solutions involving the fragile base class problem. Many good articles are scattered across the Web that discuss this problem. Those interested ...
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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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