September 2002
Intermediate to advanced
1272 pages
31h 12m
English
Content preview from Cocoa® Programming
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Objective-C
Cocoa is implemented with Objective-C. Chapter 4, “Objective-C,” describes Objective-C’s object-oriented additions to the standard C language. This chapter provides information intended to help developers select a language to use with Cocoa. Some of the features of Objective-C not shared by the other languages used with Cocoa are presented here to aid the comparison of languages. The details are not presented until Chapter 4.
Categories
Categories are an Objective-C feature that enables the specialization of classes without using inheritance. Categories can be used to add behaviors to existing classes without recompiling them. The instances of specialized classes gain the new behaviors. Even pre-existing instances and instances ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.