Now that we have a working knowledge of many parts of the Swift language, it's time to take a deeper dive and look under the hood. In this track you will improve your knowledge on topics like objects, initialization, properties and protocols. There are several nuances when these topics clash that are important to be aware of and we will write plenty of code to understand how things work. In addition, this track introduces two of Swift's more powerful features - generics and closures that allows us to write extremely flexible code.
An entry-level salary for the technologies covered in this track is about $70,000 / yr on average.
Some companies that use these technologies regularly include: Treehouse, Snapchat, Instagram, Facebook, Twitter, Google, Amazon, Apple, and Pandora