Swift 3 ObjectOriented Programming - Second Edition

Chapter 8.  Extending and Building Object-Oriented Code

In this chapter, we will put together many pieces of the object-oriented puzzle. We will take advantage of extensions to add features to classes, protocols, and types that we can't modify through source code editing. We will interact with a simple object-oriented data repository through Picker View and consider how object-oriented code is everywhere in an iOS app.

Putting together all the pieces of the object-oriented puzzle

In Chapter 1, Objects from the Real-World to the Playground, you learned how to recognize objects from real-life situations. We understood that working with objects makes it easier to write code that is easier to understand and reuse. You learned how to recognize real-world ...