Pro Objective-C provides an in-depth, comprehensive guide to the Objective-C programming language. It includes many in-depth, practical examples along with detailed explanations of the language, its runtime, and key APIs that enable advanced programming with Objective-C. §A complete exploration of intermediate and advanced features of the Objective-C programming language on the Mac OS X and iOS platforms. §Detailed examination of the Objective-C runtime. §Expert-level review and usage of the Foundation Framework APIs.