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Swift is Apple's modern programming language; however, as Apple puts it:
“Objective-C is not going away, both Swift and Objective-C are first class citizens for doing Cocoa and Cocoa Touch development.”
Besides, there are a lot of frameworks written in Objective-C.
As a result, complex projects may end up having a mix of Swift, Objective-C, and even C code. Therefore, Swift-Objective-C interoperability is imperative. In this video course, we are going to showcase how these programming languages can co-exist.