1. Getting Started: Essential Objective-C

This book takes you on a guided tour of Objective-C, from the basics on up through the cool stuff.

Objective-C is a cross-platform language, so you’ll find it on many systems: the Mac, of course, but also Linux, UNIX, Windows, and more—and its core programming code stays the same across all those platforms.

Objective-C is actually a layer built on top of the C language, and everything that works in standard (that is, ANSI) C works in Objective-C. Objective-C also adds tons of object-oriented features to the original C language.

The way it uses objects is what makes Objective-C so popular, but just what is an object? Object-oriented programming was introduced when programs began to get very large and ...

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