2 Objective-C
iOS applications are written in the Objective-C language using the Cocoa Touch frameworks. Objective-C is an extension of the C language, and the Cocoa Touch frameworks are collections of Objective-C classes.
In this chapter, you will learn the basics of Objective-C and create an application called RandomItems. Even if you are familiar with Objective-C, you should still go through this chapter to create the BNRItem class that you will use later in the book.
This book assumes you know some C and understand the basic ideas of object-oriented programming. If C or object-oriented programming makes you uneasy, we recommend starting with Objective-C Programming: The Big Nerd Ranch Guide.
Objects
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