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Sams Teach Yourself Objective-C in 24 Hours, Second Edition by Jesse Feiler

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Hour 14. Defining a Class in an Implementation File

What You’ll Learn in This Hour

Image Cleaning up the Converter app

Image Adding debugging code

Image Refining the method

Working with a New Project

So far in this part of the book, you have explored many of the Objective-C basics—messaging and selectors; declarations of classes, instance variables, properties, methods, and actions; and building on Foundation. In this hour, you pull those concepts together as ...

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