As a very long time Obj-C guy, Swift looks great and Swift looks like the future. But if you need to learn Cocoa through existing resources (books, tutorials, f

As a very long time Obj-C guy, Swift looks great and Swift looks like the future. But if you need to learn Cocoa through existing resources (books, tutorials, forums) or use/read existing code (3rd party libraries, code snippets, header files), you will need to understand Obj-C too until enough time such that everything has switched over.