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

Hour 14. Defining a Class in an Implementation File

What You’ll Learn in This Hour

Cleaning up the Converter app

Adding debugging code

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 ...