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Objective-C is a high-level general-purpose, ... in some cases, syscalls), many common performance optimizations cannot be applied to Objective-C methods (for example ...
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Articles with example Objective-C code (11 P) S. Objective-C software (1 C, 3 P) Pages in category "Objective-C" The following 3 pages are in this category, out of 3 ...
The following is an example in Objective-C, implying either the OpenStep or Foundation Kit framework is used: // Foo class. @interface Foo : NSObject - ( void ) hello ; @end // Sending "hello" to a Foo instance without reflection.
In Objective-C, for example, both the generic Object and NSObject (in Cocoa/OpenStep) provide the method isMemberOfClass: which returns true if the argument to the method is an instance of the specified class.
An example of a closely related dynamic GUI library and OOP language can be found in the Cocoa frameworks on Mac OS X, written in Objective-C, an object-oriented, dynamic messaging extension to C based on Smalltalk.
Objective-C and Objective-C++ support optional reference counting and garbage collection as alternatives to manual memory management (Apple deprecated the garbage collector). PostScript originally required developers to manually reclaim memory using the save and restore operators. PostScript Level 2 introduced a garbage collector, but its usage ...
The Objective-C runtime maintains information about the argument and return types of methods. However, this information is not part of the name of the method, and can vary from class to class. Since Objective-C does not support namespaces, there is no need for the mangling of class names (that do appear as symbols in generated binaries).