Swift is an object-oriented language.
Swift builds upon familiar concepts from Objective-C but includes a modern, safer syntax and multiple paradigms such as object-oriented, functional, imperative, and block structured.
Swift is a programming language customized by Apple and introduced as Objective-C without the C.
Swift can work with the existing Cocoa and Cocoa Touch frameworks, which contain all the familiar classes used in modern Mac and iOS apps.
Swift provides a lot of safety in terms of
Swift was built using the highly optimized LLVM compiler.