The predecessor of Swift, still used to maintain legacy Apple applications.
Quick facts
What is Objective-C
The predecessor of Swift, still used to maintain legacy Apple applications.
GitHub Linguist classifies Objective-C as a programming language, typically using extensions such as .m, .h.
File extensions:
Related extensions
Related languages
Frequently asked questions
The predecessor of Swift, still used to maintain legacy Apple applications.
Common extensions include .m, .h.
Sources & standards
Updated 2026-08-18
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