What is Swift?

In this section, we will cover what Swift is, its history, and how it works on a macro level. If you are an expert and just want to read about SwiftUI, feel free to skip this section.

Swift is a programming language created by Apple and the open source community. It is a general-purpose, compiled, and multi-paradigm programming language. It was released in 2014 as a replacement for Apple’s previous language, Objective-C. Due to the fact that Objective-C had remained virtually the same since the early 1980s, it was missing many features that modern languages have. Hence, the creation of Swift began; it has taken the Apple developer ecosystem by storm and is a hugely popular programming language. It is demanded by companies all over the world with excellent remuneration offered to those that know how to leverage its immense features. According to the PYPL index seen in the following figure, Swift is in the top 10 most popular languages, making it a must-have...