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What is the latest version of Objective-C?

Please tell me what is the latest version of Objective-C? and is there an official website for this language (e.g. sunmicrosystems for JAVA) for which I can get information about this language?

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Official Objective-C page The Objective-C programming language , as indicated in objective-c tag information .

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The latest version of the C lens is 2.0. I can not find a single site for this language, but the Wikipedia article contains significant information on external links. The Objective-C programming language is considered the main page for this language. You may also be interested in the language options section on Wikipedia . Note that although Obj-C 2.0 has a garbage collector and iOS uses Obj-C 2.0, it does not have GC.

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Objective-C 2.0 was launched in 2006, and since 2016 3.0. But this does not mean that he has not changed.

You can find a list of the great Objective-C functions supported by Xcode here . Detailed changes can sometimes be found in the Xcode release notes here . Other changes, such as myobject-> isa, replaced by object_getClass (myobject), are not well advertised, and you complete their detection through compiler warnings.

The five-year question, of course, but the answer is constantly changing ...

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According to Apple's open source website , Objective-C 2.0 comes with the latest version of OS X, open-source components are available there (OS X 10.9.4 'Mavericks' at the time of this writing) Objective-C 4, revision 551.1 . (Feel free to leave a comment below if you can explain the inconsistency in Objective-C version numbering between the documentation and the actual source code, right?)

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