I'm teaching myself Mac OS X programming, and have decided to write all new Mac code in Objective-C using Cocoa. However, I have a very large library of C++ classes that I do not want to port to ...

Objective-C is created in the OpenStep development environment, and applications use the Mac's Cocoa or Cocoa Touch object libraries or the GNUstep library, which is part of many Linux distributions.

That said, there may be books out there that can teach you programming using Objective-C, I don't know as I've never looked at Objective-C.

Developers started turning away from Objective-C years ago, thanks to the Swift language, Apple's replacement for Objective-C. But now that shift is finally being reflected in the Tiobe ...

Apple's Swift has far-reaching effects on all platforms, not just iOS, OS X, watchOS and tvOS. Learn why Swift matters, how to use the programming language and how it differs from Objective-C.