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Swift - Interview Questions
What is Swift?
Swift is a powerful and intuitive programming language for iOS, iPadOS, macOS, tvOS, and watchOS. Apple Inc. is the company behind it. Writing Swift code is interactive and fun, the syntax is concise yet expressive, and Swift includes modern features developers love. Swift code is safe by design, yet also produces software that runs lightning-fast.
It is based on the Objective C runtime library, which enables the execution of C, Objective C, C++, and Swift code in the same program. 
Swift has been integrated with Xcode since version 6, 7, 10.x, 11.x, 13.x and is built with the open-source LLVM compiler and can be used for creating both the front end and back end functionalities of applications.

Xcode supports source code for the programming languages: C, C++, Objective-C, Objective-C++, Java, AppleScript, Python, Ruby, ResEdit (Rez), and Swift, with a variety of programming models, including but not limited to Cocoa, Carbon, and Java. Third parties have added support for GNU Pascal, Free Pascal, Ada, C#, Go, Perl, and D. etc,.