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what is objective-c

Factz from Wikipedia: we found the following about Objective-C help

introduced :
concept and syntax.

Objective-C introduced concept

Objective-C Objective-C was extended at NeXT to introduce the concept of multiple inheritance of specification, but not implementation, through the introduction of protocols.

Objective-C introduced syntax

Objective-C Objective-C 2.0 introduces a new syntax to declare instance variables as properties, with optional attributes to configure the generation of accessor methods.

derived  
syntax.

Objective-C derived syntax

C (programming language) Objective-C derives its syntax from both C and Smalltalk: syntax that involves preprocessing, expressions, function declarations and function calls is inherited from C, while the syntax for object-oriented features was originally taken from Smalltalk.

Objective-C Objective-C derives its syntax from both C and Smalltalk.

provided  
conservative.

Objective-C provided conservative

Objective-C Objective-C 2.0 provides an optional conservative yet generational garbage collector.

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Wikipedia Articles: results 1 - 10 of 5627
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    Objective-C

    Objective-C is a reflective, object-oriented programming language which adds Smalltalk-style messaging to C. Today it is used primarily on Mac OS X and GNUstep, two environments based on the OpenStep standard, and is the primary language used for the NeXTSTEP, OPENSTEP, and Cocoa application frameworks.
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    C (programming language)

    Objective-C was originally a very "thin" layer on top of, and remains a strict superset of, C that permits object-oriented programming using a hybrid dynamic/static typing paradigm.
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    Cocoa (API)

    Automatic garbage collection for Cocoa is also supported starting with Objective-C 2.0, using Xcode 3.0 which is included with Mac OS X 10.5 Leopard.
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    RubyCocoa

    RubyCocoa makes it easy to override an Objective-C method from Ruby, either in a subclass or directly to the class (as you would do in Objective-C using a category).
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    Objective-J

    Objective-J shares the same relationship with JavaScript as Objective-C shares with C, so it is a strict superset of JavaScript.
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    Name mangling

    Essentially two forms of method exist in Objective-C, the class ("static") method, and the instance method.
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    Named parameter

    Using named parameters in Objective-C, the call can be written as:
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    Hessian (web service protocol)

    HessianKit (Objective-C 2.0)
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    History of Xcode

    Objective-C 2.0 (with garbage collection)
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    GNU Compiler Collection

    The standard compiler release 4.3 includes front ends for: C, C++ (G++), Java (GCJ), Ada (GNAT), Objective-C, Objective-C++, and Fortran (GFortran).

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