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The Basics of Modern Objective-C

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The preceding two chapters have provided an introduction to Objective-C for readers that are new to the language. This chapter is intended for those programmers familiar with Objective-C 2.0 who would like to get a quick overview of some of the new features added to the language to coincide with the release of the iOS 6 SDK. These changes have combined to create what, for want of a better description, has come to be referred to as “Modern Objective-C”