C

C++ and Objective-C, intermixing, Objective-C++

calling methods, Calling a method (see method calls)

categories, Private methods, Categories–Implementing a category, Declaring a category, Implementing a category

declaring, Private methods, Declaring a category

implementing, Implementing a category

@class directive, Forward Declarations

class libraries, Which Objective-C?, Which Objective-C?

Cocoa, Which Objective-C? (see Cocoa class library)

GNUstep, Which Objective-C? (see GNUstep class library)

-class method, Variables, Class Objects, Class Objects, Identifying objects and classes, Identifying objects and classes, Identifying objects and classes

isa field and, Variables, Class Objects

NSObject class, Identifying objects and classes

Object class, Identifying objects and classes

retrieving class objects from instances, Class Objects

class methods, Classes, Declaring an interface, One parameter, Metaclass Objects–Metaclass Objects, Information about methods, Information about methods

asking objects about methods, Information about methods, Information about methods

in NSObject class, Information about methods

in Object class, Information about methods

declaring methods, One parameter

metaclass objects and, Metaclass Objects–Metaclass Objects

class names as receivers, Special receivers

class objects, Class Objects–Class Objects, Methods

root class instance methods, Methods

Class type, Types

classes, Classes–Implementing a class, Classes, Classes, Implementing a class, Inheritance and Subtyping, Naming collisions, Categories–Implementing a category, Declaring a category, Class Declarations and Definitions, Sample code for initialization–Sample code for initialization, Initializing classes, Object Error Handling–Object Error Handling, Metaclass Objects, Root Classes–Reference counting, Identifying objects and classes–Identifying objects and classes, Identifying objects and classes–Identifying objects and classes

attributes of, Classes

declaring, Inheritance and Subtyping, Declaring a category, Class Declarations and Definitions

error handling, Object Error Handling–Object Error Handling

identifying, Identifying objects and classes–Identifying objects and classes, Identifying objects and classes–Identifying objects and classes

implementing, Classes, Implementing a class

initializing, Sample code for initialization–Sample code for initialization, Initializing classes

sample code for, Sample code for initialization–Sample code for initialization

modifying, using categories, Categories–Implementing a category

naming collisions and, Naming collisions

root, Root Classes–Reference counting

runtime relationship with metaclasses, Metaclass Objects

-classForCoder method, Archiving

_cmd variable, Implementing a method, Variables

Cocoa class library, Which Objective-C?, Which Objective-C?, Using @"string”, Writing copy methods, Writing copy methods, Calling deallocation methods, Exceptions in Cocoa–A Cocoa exception handling example, Root Classes, The NSObject Class–Reference counting, NSObject Forwarding–NSObject Forwarding, Reference Counting–Retain cycles, Archiving Descendants of NSObject–Archiving Descendants of NSObject, Objective-C Resources

(see also Darwin runtime environment)

copying protocols, Writing copy methods

deallocating objects, Calling deallocation methods

default string class, Using @"string”

exceptions in, Exceptions in Cocoa–A Cocoa exception handling example

NSCoding protocol and, Archiving Descendants of NSObject–Archiving Descendants of NSObject

NSObject class, The NSObject Class–Reference counting, NSObject Forwarding–NSObject Forwarding

forwarding messages with, NSObject Forwarding–NSObject Forwarding

NSZoneAlloc(), Writing copy methods

reference counting and, Reference Counting–Retain cycles

resources, Objective-C Resources

root classes, Root Classes

-compare: method, Identifying objects and classes

compiler directives, Compiler and Preprocessor Directives–Using @"string”

compiler flags, Compiler Flags

compiler, gcc, Which Objective-C?

-conformsTo: method, Checking for conformity to a protocol, Testing inheritance and conformance

+conformsToProtocol: method, Checking for conformity to a protocol, Testing inheritance and conformance, Testing inheritance and conformance

constants, predefined, Constants

-copy method, Calling copy methods, Creating, copying, and freeing objects, Creating, copying, and freeing objects

copy methods, Calling copy methods, Writing copy methods–Writing copy methods

calling, Calling copy methods

writing, Writing copy methods–Writing copy methods

-copyWithZone: method, Calling copy methods–Writing copy methods, Creating, copying, and freeing objects, Creating, copying, and freeing objects, Reference counting

-copy method and, Creating, copying, and freeing objects

-zone method and, Reference counting

creation methods, Calling creation methods, Writing creation methods

calling, Calling creation methods

writing, Writing creation methods