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The Objective-C 2.0 Programming Language
Objective-C is a small but powerful set of extensions to the standard ANSI C language. Objective-C is designed to give C full object-oriented programming capabilities in a straightforward way. This document is about the first component of the development environment â€” the programming language. It fully describes the Objective-C language, and provides a foundation for learning about the second component, the Mac OS X Objective-C application frameworksâ€”collectively known as Cocoa.