Language

Objective-C

Paradigms	object-oriented programming, class-based programming, multi-paradigm programming, reflective programming
Typing discipline	dynamic typing, static typing, weak typing
First appeared	1984
Designed by	Brad Cox
Type	multi-paradigm programming language, programming language, object-based language, reflective programming language, class-based programming language
Influenced by	C, Smalltalk
Latest version	2
File extensions	mm, m, h, C
Website	developer.apple.com

Sources: Wikidata (CC0) · Wikidata Q188531

Operating systems · 11

Operating system	Developer	First release	License
BridgeOS	Apple Inc.	—	proprietary license
IOS	Apple Inc.	2007	proprietary license
IOS 13	Apple Inc.	2019	proprietary license
IOS 14	Apple Inc.	2020	—
IOS 17	Apple Inc.	2023	—
IPadOS	Apple Inc.	2019	proprietary license
MacOS	Apple Inc.	2001	BSD licenses, proprietary license, Apple Public Source License
MacOS Server	Apple Inc.	1999	proprietary license, commercial software
NeXTSTEP	NeXT	—	proprietary license
WatchOS	Apple Inc.	—	—
What's Your Sign?	Objective-See	—	GNU General Public License, version 3.0

Programming languages · 5

Language	Paradigms	First appeared	Developer
Java	object-oriented programming, generic programming, component-based software engineering, concurrent object-oriented programming, class-based programming, imperative programming, structured programming, functional programming, reflective programming	1995	Sun Microsystems, Oracle Corporation, James Gosling
Objective-J	reflective programming, functional programming, imperative programming, object-oriented programming	2008	—
Sleep	—	2004	—
Swift	object-oriented programming, functional programming, declarative programming, multi-paradigm programming, block-structured programming, imperative programming	2014	Chris Lattner, Apple Inc.
TOM	object-oriented programming	1999	—

Programming languages · 1

Language	Paradigms	First appeared	Developer
Stencyl	—	2011	Jonathan Chung