Take your coding skills to the next level with this extensive guide to Objective–C, the native programming language for developing sophisticated software applications for Mac OS X. Objective–C is a powerful, object–oriented extension of C, making this book the perfect follow–up to Dave Mark's bestselling Learn C on the Mac, Mac OS X Edition. Whether you're an experienced C programmer or you're coming from a different language such as C++ or Java, leading Mac experts Mark Dalrymple and Scott Knaster show you how to harness the powers of Objective–C in your applications! A complete course on the basics of Objective–C using Apple's free Xcode tools An introduction to object–oriented programming Comprehensive coverage of inheritance, composition, object initialization, categories, protocols, memory management, and organizing source files A brief tour of Cocoa's foundation framework and AppKit A helpful “learning curve” guide for non–C developers.