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Objective-C Fundamentals

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.

intermediateobjcFree2 hours6 lessons
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Objective-C Fundamentals