Objective-C is an elegant language. It mixes the efficiency of the C language with the object-oriented goodness of Smalltalk. This combination was introduced in the mid-1980s and is still powering the fantastic applications behind the iPhone, iPad, and Mac. How does a language that is more than 20 years old stay relevant and useful after all that time? Well, some of its success ...
8. Programming Basics in Objective-C
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