Cocoa
is an application environment for both the Mac OS X operating system
and iOS, the operating system used on Multi-Touch devices such as
iPhone, iPad, and iPod touch. It consists of a suite of
object-oriented software libraries, a run-time system, and an
integrated development environment.
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Cocoa consists of the
Foundation Kit, Application Kit, and Core Data frameworks, as
included by Cocoa.h header file, as well as the libraries and
frameworks included by those, such as the C standard library and the
Objective-C run-time itself.
Cocoa applications are typically
developed using the development tools provided by Apple, specifically
Xcode and Interface Builder, using the Objective-C language.
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