In 64 words or less: Start reading this and keep going until the end. In two hours or less, you will understand object-oriented programming. This is very wel

In 64 words or less: Start reading this and keep going until the end. In two hours or less, you will understand object-oriented programming. This is very well written and explains many differences between functional languages and object oriented languages. http://developer.apple.com/documentation/Cocoa/Conceptual/OOP_ObjC/Articles/chapter_3_section_1.html#//apple_ref/doc/uid/TP40005149-CH8-SW1 http://developer.apple.com/documentation/Cocoa/Conceptual/OO...