Dictionary
Words, grammatical forms and meanings linked to the ontology.
Objective-C en · PROPN
Pronunciation
Meanings
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An object-oriented programming language that adds Smalltalk-style message passing to the C programming language, mainly used on Apple platforms.
In Objective-C, a protocol member can be declared optional, meaning that this member doesn't have to be implemented by the adopter, but it may be.
2016, Matt Neuburg, iOS 10 Programming Fundamentals with Swift: Swift, Xcode, and Cocoa Basics, O'Reilly, →ISBN, page 185:
Synonyms
Obj-C · ObjC