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Book Excerpt: Programming in Objective-C 2.0

Though Objective-C's most popular use is for development on the Mac OS X and iPhone platforms, this object-oriented language can be used on many Linux, Unix, and Windows systems.


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bjective-C has become the standard programming language for application development on the Mac OS X and iPhone platforms. A powerful—yet simple—object-oriented programming language based on the C programming language, Objective-C is widely available not only on OS X but across many operating systems that support the gcc compiler—including Linux, Unix, and Windows systems.

Programming in Objective-C 2.0 offers a complete, step-by-step introduction to the Objective-C language. The book does not assume previous experience with either C or object-oriented programming languages, and it includes many detailed, practical examples of how to put Objective-C to use in your everyday programming needs.

The book also covers how to take advantage of the Foundation framework's rich built-in library of classes and how to use the iPhone SDK to develop programs specifically for the iPhone and iPod Touch.



Download Chapter 2 from Programming in Objective-C 2.0 to dive right in and write your first Objective-C program. You won't work with objects just yet, but you'll learn what's involved in keying in a program and compiling and running it.

Reproduced from Programming in Objective-C 2.0, 2nd Edition by permission of Addison-Wesley Professional. ISBN: 0321566157, copyright 2009. All rights reserved.



   
Stephen Kochan is the author and coauthor of several bestselling titles on the C language, as well as several Unix titles. He has been programming on Macintosh computers since the introduction of the first Mac in 1984.
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