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Programming in Objective-C, Fourth Edition Updated for iOS 5 and ARC Programming in Objective-C is a concise, carefully written tutorial on the basics of Objective-C and object-oriented programming for Apple's iOS and Mac platforms. The book makes no assumptions about prior experience with object-oriented programming languages or with the C language (which Objective-C is based upon). Because of this, both beginners and experienced programmers alike can use this book to quickly and effectively learn the fundamentals of Objective-C. Readers can also learn the concepts of object-oriented programming without having to first learn all of the intricacies of the underlying C programming language. This unique approach to learning, combined with many small program examples and exercises at the end of each chapter, makes Programming in Objective-C ideally suited for either classroom use or self-study. The fourth edition of this book has been updated to cover the significant changes that first appeared in iOS 5 and Xcode 4.2, including the use of Automatic Reference Counting (ARC) to improve and simplify memory management in Objective-C programs. “The best book on any programming language that I’ve ever read. If you want to learn Objective-C, buy it.”—Calvin Wolcott “An excellent resource for a new programmer who wants to learn Objective-C as their first programming language—a woefully underserved market.”—Pat Hughes Table of Contents 1 Introduction 2 Programming in Objective-C 3 Classes, Objects, and Methods 4 Data Types and Expressions 5 Program Looping 6 Making Decisions 7 More on Classes 8 Inheritance 9 Polymorphism, Dynamic Typing, and Dynamic Binding 10 More on Variables and Data Types 11 Categories and Protocols 12 The Preprocessor 13 Underlying C Language Features 14 Introduction to the Foundation Framework 15 Numbers, Strings, and Collections 16 Working with Files 17 Memory Management and Automatic Reference Counting 18 Copying Objects 19 Archiving 20 Introduction to Cocoa and Cocoa Touch 21 Writing iOS Applications A Glossary B Address Book Example Source Code From the Back Cover "The best book on any programming language that I've ever read. If you want to learn Objective-C, buy it." --Calvin Wolcott "An excellent resource for a new programmer who wants to learn Objective-C as their first programming language--a woefully underserved market." --Pat Hughes