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Sams Teach Yourself Core Data for Mac® and iOS in 24 Hours by Jesse Feiler

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Hour 3. Understanding the Basic Code Structure

What You’ll Learn in This Hour:

Exploring the world of Objective-C

Getting inside Objective-C objects

Managing inheritance

Using delegates and protocols

Using model/view/controller

Working with the Code

Mac OS and iOS apps are written using the Objective-C language. Right there, some people might panic and throw up their hands, but do not worry. As pointed out previously, you write very little code from scratch. Much of the code that you run is already written for you using Objective-C; that code is in the Cocoa and Cocoa Touch frameworks that support everything from animation to native platform appearance and the Core Data and various table view classes that are the topic of this book. ...

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