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Learning path

Objective-C Developer

Learn Objective-C — the language Apple was built on. Billions of lines of Foundation, UIKit, AppKit are still ObjC.

mixed2 courses13 lessons~3 hoursFree
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Course sequence

  1. 01

    Objective-C Fundamentals

    Not started

    Learn Objective-C: the language Apple was built on. iOS apps used it from 2007 until Swift took over in 2014, but billions of lines of Foundation, UIKit, and AppKit are still Objective-C — and Swift interops directly with it. Smalltalk-style messaging on top of C.

    intermediateobjc6 lessons~2h
  2. 02

    Objective-C Intermediate

    Not started

    Level up from Objective-C Fundamentals. Categories, protocols, blocks, NSArray/NSDictionary, NSError, ARC. The features that make ObjC powerful — and quietly weird.

    intermediateobjc7 lessons~2h

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Objective-C Developer