Objective-C Overview
Objective-C is a small, elegant, object-oriented extension to the C language. Strictly speaking, it is a superset of C. You can freely use any valid C code in an Objective-C project. This gives us access to a vast number of third-party libraries, in addition to the Objecitve-C and C frameworks already provided by Apple. This also allows us to switch freely between programming paradigms. We can use object-oriented code (decomposing the problem into objects and methods) in one section, and C-style procedural approach (breaking the program into variables, structures, and functions) in another, using the style that best suits the problem at hand.
Objective-C borrows much of its object syntax from Smalltalk. Smalltalk was one ...
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