Types need to have a unique name. In Objective-C, naming collisions with other libraries and frameworks are avoided by adding a prefix to a type. That is why we use UIView instead of View and CGRect instead of Rect.

The title of this episode is a bit misleading because the Swift programming language has no support for abstract classes. There are a few workarounds, though. In this episode, we take a look at two alternatives to the abstract class pattern in Swift.

The builder pattern isn't a common pattern in Swift and Cocoa development and you don't find it in any of Apple's frameworks. It is one of the Gang of Four design patterns and widely used in Java development.

If you are new to Swift, then you may be wondering what a failable initializer is and why you would ever use one. In this episode, I show you how to create a failable initializer and I hope I can convince you of their benefits. I use failable initializers in every project I work on and you may be surprised when I say that you do too.