Updated: 06/30/2017 by Computer Hope
Swift is a programming language developed by Apple. It’s used to create computer programs and mobile applications for iOS, macOS X, and Linux, as well as for Apple’s iWatch and AppleTV. It was first released on June 2, 2014.
Swift is similar to, and highly compatible with, the Objective-C programming language. It was designed to help developers increase application fault tolerance and system safety. For example, Swift programmers cannot use null pointers except with a special data type called “UnsafePointer.”
To encourage people to learn Swift, Apple publishes a 500-page instructional book, The Swift Programming Language. If you’re interested in learning how to use Swift, it’s available for free on the web and in the App Store.
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