macOS 2 interface and 2 implementation in one class possibility?

saleh.hi.62 said:

is it possible to have 1 class with 2 interface in Header file and 2 implementation in M file?

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That's called "having 2 classes", but yes it works fine. Each @interface defines a class, each @implementation implements one. Doesn't matter how many of each you have in a file, or what files they're in, really.

Why do you want to do this? What are you trying to accomplish?

Take a look at Categories and Class Extensions: http://developer.apple.com/library/...ceptual/objectivec/chapters/occategories.html