Answer 1

Here are a few things that might make it unique: It is developed for iOS, macOS, watchOS, tvOS, and Linux. It also uses the Objective-C runtime library, and it allows C, Objective-C, C++ and Swift to run within one program. Statements do not have to end with a semicolon, (though, they must be used to allow more than one statement on a line.) Pointers are not exposed by default. ((Go to the source for further reading...)) Source: https://en.m.wikipedia.org/wiki/Swift_(programming_language)