Difference between revisions of "Objective-C 2.0 Essentials"

Cannot find HTML file objc<htmlet> The Objective-C 2.0 Essentials online book contains 34 chapters of detailed information intended to provide everything necessary to gain proficiency as an Objective-C programmer for both Mac OS X and iPhone development. Objective-C 2.0 Essentials - Second Edition © 2012 Neil Smyth Payload Media. This eBook is provided for personal use only. Unauthorized use, reproduction andor distribution strictly prohibited. All rights reserved. == Table of Contents == <table> <tr> <td> # [[About Objective-C Essentials]] #* [[About Objective-C Essentials|Why are you reading this?]] #* [[About Objective-C Essentials|Supported Platforms]]<br><br> # [[The History of Objective-C]] #* [[The History of Objective-C|The C Programming Language]] #* [[The History of Objective-C|The Smalltalk programming Language]] #* [[The History of Objective-C|C meets Smalltalk]] #* [[The History of Objective-C|Objective-C and Apple]]<br><br> # [[Installing Xcode and Compiling Objective-C on Mac OS X]] #* [[Installing Xcode and Compiling Objective-C on Mac OS X|Installing Xcode on Mac OS X]] #* [[Installing Xcode and Compiling Objective-C on Mac OS X|Starting Xcode]] #* [[Installing Xcode and Compiling Objective-C on Mac OS X|Starting a New Project]] #* [[Installing Xcode and Compiling Objective-C on Mac OS X|Writing an Objective-C Application with Xcode]] #* [[Installing Xcode and Compiling Objective-C on Mac OS X|Compiling Objective-C from the Command Line]]<br><br> # [[Installing and using GNUstep and Objective-C on Windows]] #* [[Installing and using GNUstep and Objective-C on Windows|Downloading the GNUstep Packages]] #* [[Installing and using GNUstep and Objective-C on Windows|Installing MinGW and GNUstep on Windows]] #* [[Installing and using GNUstep and Objective-C on Windows|Running the GNUstep Shell]] #* [[Installing and using GNUstep and Objective-C on Windows|Testing the Installation]]<br><br> # [[Installing and Using GNUstep and Objective-C on Linux]] #* [[Installing and Using GNUstep and Objective-C on Linux|Installing GNUstep on Ubuntu]] #* [[Installing and Using GNUstep and Objective-C on Linux|Compiling Objective-C Code]]<br><br> # [[Building and Installing GNUstep on Linux]] #* [[Building and Installing GNUstep on Linux|Installing gcc and Objective-C Support on Linux]] #* [[Building and Installing GNUstep on Linux|Package Dependencies]] #* [[Building and Installing GNUstep on Linux|Obtaining the GNUstep Source Code]] #* [[Building and Installing GNUstep on Linux|Configuring the Build Process]] #* [[Building and Installing GNUstep on Linux|Building GNUstep]] #* [[Building and Installing GNUstep on Linux|Testing the Objective-C and GNUstep Installation]] #* [[Building and Installing GNUstep on Linux|Compiling Objective-C Code]]<br><br> # [[Objective-C 2.0 Data Types]] #* [[Objective-C 2.0 Data Types|int Data Type]] #* [[Objective-C 2.0 Data Types|char Data Type]] #* [[Objective-C 2.0 Data Types|Special CharactersEscape Sequences]] #* [[Objective-C 2.0 Data Types|float Data Type]] #* [[Objective-C 2.0 Data Types|double Data Type]] #* [[Objective-C 2.0 Data Types|id Data Type]] #* [[Objective-C 2.0 Data Types|BOOL Data Type]] #* [[Objective-C 2.0 Data Types|Objective-C Data Type Qualifiers]] #* [[Objective-C 2.0 Data Types|long]] #* [[Objective-C 2.0 Data Types|long long]] #* [[Objective-C 2.0 Data Types|short]] #* [[Objective-C 2.0 Data Types|signed unsigned]]<br><br> # [[Working with Variables and Constants in Objective-C]] #* [[Working with Variables and Constants in Objective-C|What is an Objective-C Variable]] #* [[Working with Variables and Constants in Objective-C|What is an Objective-C Constant?]] #* [[Working with Variables and Constants in Objective-C|Type Casting Objective-C Variables]]<br><br> # [[Objective-C Operators and Expressions]] #* [[Objective-C Operators and Expressions|What is an Expression?]] #* [[Objective-C Operators and Expressions|The Basic Assignment Operator]] #* [[Objective-C Operators and Expressions|Objective-C Arithmetic Operators]] #* [[Objective-C Operators and Expressions|Compound Assignment Operators]] #* [[Objective-C Operators and Expressions|Increment and Decrement Operators]] #* [[Objective-C Operators and Expressions|Comparison Operators]] #* [[Objective-C Operators and Expressions|Boolean Logical Operators]] #* [[Objective-C Operators and Expressions|The Ternary Operator]] #* [[Objective-C Operators and Expressions|Bitwise Operators]] #* [[Objective-C Operators and Expressions|Bitwise AND]] #* [[Objective-C Operators and Expressions|Bitwise OR]] #* [[Objective-C Operators and Expressions|Bitwise XOR]] #* [[Objective-C Operators and Expressions|Bitwise Left Shift]] #* [[Objective-C Operators and Expressions|Bitwise Right Shift]] #* [[Objective-C Operators and Expressions|Compound Bitwise Operators]]<br><br> # [[Objective-C 2.0 Operator Precedence]] #* [[Objective-C 2.0 Operator Precedence|An Example of Objective-C Operator Precedence]] #* [[Objective-C 2.0 Operator Precedence|Objective-C Operator Precedence and Associativity]] #* [[Objective-C 2.0 Operator Precedence|Overriding Operator Precedence]]<br><br> # [[Commenting Objective-C Code]] #* [[Commenting Objective-C Code|Why Comment your Code?]] #* [[Commenting Objective-C Code|Single Line Comments]] #* [[Commenting Objective-C Code|Multi-line Comments]]<br><br> # [[Objective-C Flow Control with if and else]] #* [[Objective-C Flow Control with if and else|Using the if Statement]] #* [[Objective-C Flow Control with if and else|Using if ... else .. Statements]] #* [[Objective-C Flow Control with if and else|Using if ... else if .. Statements]] #* [[Objective-C Flow Control with if and else|Summary]]<br><br> # [[The Objective-C switch Statement]] #* [[The Objective-C switch Statement|Why Use a switch Statement?]] #* [[The Objective-C switch Statement|Using the switch Statement Syntax]] #* [[The Objective-C switch Statement|A switch Statement Example]] #* [[The Objective-C switch Statement|Explaining the Example]] #* [[The Objective-C switch Statement|Combining case Statements]]<br><br> # [[Objective-C Looping - The for Statement]] #* [[Objective-C Looping - The for Statement|Why Use Loops?]] #* [[Objective-C Looping - The for Statement|Objective-C Loop Variable Scope]] #* [[Objective-C Looping - The for Statement|Creating an Infinite for Loop]] #* [[Objective-C Looping - The for Statement|Breaking Out of a for Loop]] #* [[Objective-C Looping - The for Statement|Nested for Loops]] #* [[Objective-C Looping - The for Statement|Breaking from Nested Loops]] #* [[Objective-C Looping - The for Statement|Continuing for Loops]] #* [[Objective-C Looping - The for Statement|Using for Loops with Multiple Variables]]<br><br> # [[Objective-C Looping with do and while Statements]] #* [[Objective-C Looping with do and while Statements|The Objective-C while Loop]] #* [[Objective-C Looping with do and while Statements|Objective-C do ... while loops]] #* [[Objective-C Looping with do and while Statements|Breaking from Loops]] #* [[Objective-C Looping with do and while Statements|The continue Statement]]<br><br> # [[An Overview of Objective-C Object Oriented Programming]] #* [[An Overview of Objective-C Object Oriented Programming|What is an Object?]] #* [[An Overview of Objective-C Object Oriented Programming|What is a Class?]] #* [[An Overview of Objective-C Object Oriented Programming|Declaring an Objective-C Class Implementation]] #* [[An Overview of Objective-C Object Oriented Programming|Adding Instance Variables to a Class]] #* [[An Overview of Objective-C Object Oriented Programming|Define Class Methods]] #* [[An Overview of Objective-C Object Oriented Programming|Declaring an Objective-C Class Implementation]] #* [[An Overview of Objective-C Object Oriented Programming|Declaring, Initializing and Releasing a Class Instance]] #* [[An Overview of Objective-C Object Oriented Programming|Calling Methods and Accessing Instance Data]] #* [[An Overview of Objective-C Object Oriented Programming|Creating the Program Section]] #* [[An Overview of Objective-C Object Oriented Programming|Bringing it all Together]] #* [[An Overview of Objective-C Object Oriented Programming|Structuring Object-Oriented Objective-C Code]]<br><br> # [[Writing Objective-C Class Methods]] #* [[Writing Objective-C Class Methods|Instance and Class Methods]] #* [[Writing Objective-C Class Methods|Creating a New Class Method]] #* [[Writing Objective-C Class Methods|The @interface Section]] #* [[Writing Objective-C Class Methods|The @implementation Section]] #* [[Writing Objective-C Class Methods|The main() Function]]<br><br> # [[Objective-C - Data Encapsulation, Synthesized Accessors and Dot Notation]] #* [[Objective-C - Data Encapsulation, Synthesized Accessors and Dot Notation|Data Encapsulation]] #* [[Objective-C - Data Encapsulation, Synthesized Accessors and Dot Notation|Synthesized Accessor Methods]] #* [[Objective-C - Data Encapsulation, Synthesized Accessors and Dot Notation|Direct Access to Encapsulated Data]] #* [[Objective-C - Data Encapsulation, Synthesized Accessors and Dot Notation|Objective-C and Dot Notation]] #* [[Objective-C - Data Encapsulation, Synthesized Accessors and Dot Notation|Controlling Access to Instance Variables]]<br><br> # [[Objective-C Inheritance]] #* [[Objective-C Inheritance|Inheritance, Classes and Subclasses]] #* [[Objective-C Inheritance|An Objective-C Inheritance Example]] #* [[Objective-C Inheritance|Extending the Functionality of a Subclass]] #* [[Objective-C Inheritance|Overriding Inherited Methods]]<br><br> # [[Pointers and Indirection in Objective-C]] #* [[Pointers and Indirection in Objective-C|How Variables are Stored]] #* [[Pointers and Indirection in Objective-C|An Overview of Indirection]] #* [[Pointers and Indirection in Objective-C|Indirection and Objects]] #* [[Pointers and Indirection in Objective-C|Indirection and Object Copying]]<br><br> # [[Objective-C Dynamic Binding and Typing with the id Type]] #* [[Objective-C Dynamic Binding and Typing with the id Type|Static Typing vs Dynamic Typing]] #* [[Objective-C Dynamic Binding and Typing with the id Type|Dynamic Binding]] #* [[Objective-C Dynamic Binding and Typing with the id Type|Polymorphism]]<br><br> # [[Objective-C Variable Scope and Storage Class]] #* [[Objective-C Variable Scope and Storage Class|Variable Scope]] #* [[Objective-C Variable Scope and Storage Class|Block Scope]] #* [[Objective-C Variable Scope and Storage Class|Function Scope]] #* [[Objective-C Variable Scope and Storage Class|Global Scope]] #* [[Objective-C Variable Scope and Storage Class|File Scope]] #* [[Objective-C Variable Scope and Storage Class|Variable Storage Class]]<br><br> # [[An Overview of Objective-C Functions]] #* [[An Overview of Objective-C Functions|What is a Function?]] #* [[An Overview of Objective-C Functions|How to Declare an Objective-C Function]] #* [[An Overview of Objective-C Functions|Calling an Objective-C Function]] #* [[An Overview of Objective-C Functions|Function Prototypes]] #* [[An Overview of Objective-C Functions|Function Scope and the static Specifier]] #* [[An Overview of Objective-C Functions|Static Variables in Functions]]<br><br> # [[Objective-C Enumerators]] #* [[Objective-C Enumerators|Why Use Enumerators]] #* [[Objective-C Enumerators|Declaring an Enumeration]] #* [[Objective-C Enumerators|Creating and Using an Enumeration]] #* [[Objective-C Enumerators|Enumerators and Variable Names]]<br><br> # [[An Overview of the Objective-C Foundation Framework]] #* [[An Overview of the Objective-C Foundation Framework|The Foundation Framework]] #* [[An Overview of the Objective-C Foundation Framework|Including the Foundation Headers]] #* [[An Overview of the Objective-C Foundation Framework|Finding the Foundation Framework Documentation]]<br><br> # [[Working with String Objects in Objective-C]] #* [[Working with String Objects in Objective-C|Strings without NSString]] #* [[Working with String Objects in Objective-C|Declaring Constant String Objects]] #* [[Working with String Objects in Objective-C|Creating Mutable and Immutable String Objects]] #* [[Working with String Objects in Objective-C|Getting the Length of a String]] #* [[Working with String Objects in Objective-C|Copying a String]] #* [[Working with String Objects in Objective-C|Searching for a Substring]] #* [[Working with String Objects in Objective-C|Replacing Parts of a String]] #* [[Working with String Objects in Objective-C|String Search and Replace]] #* [[Working with String Objects in Objective-C|Deleting Sections of a String]] #* [[Working with String Objects in Objective-C|Extracting a Subsection of a String]] #* [[Working with String Objects in Objective-C|Inserting Text into a String]] #* [[Working with String Objects in Objective-C|Appending Text to the End of a String]] #* [[Working with String Objects in Objective-C|Comparing Strings]] #* [[Working with String Objects in Objective-C|Checking for String Prefixes and Suffixes]] #* [[Working with String Objects in Objective-C|Converting to Upper or Lower Case]] #* [[Working with String Objects in Objective-C|Converting Strings to Numbers]] #* [[Working with String Objects in Objective-C|Converting a String Object to ASCII]]<br><br> # [[Understanding Objective-C Number Objects]] #* [[Understanding Objective-C Number Objects|Creating and Initializing NSNumber Objects]] #* [[Understanding Objective-C Number Objects|Getting the Value of a Number Object]] #* [[Understanding Objective-C Number Objects|Comparing Number Objects]] #* [[Understanding Objective-C Number Objects|Getting the Number Object Value as a String]]<br><br> # [[Working with Objective-C Array Objects]] #* [[Working with Objective-C Array Objects|Mutable and Immutable Arrays]] #* [[Working with Objective-C Array Objects|Creating an Array Object]] #* [[Working with Objective-C Array Objects|Finding out the Number of Elements in an Array]] #* [[Working with Objective-C Array Objects|Accessing the Elements of an Array object]] #* [[Working with Objective-C Array Objects|Accessing Array Elements using Fast Enumeration]] #* [[Working with Objective-C Array Objects|Adding Elements to an Array Object]] #* [[Working with Objective-C Array Objects|Inserting Elements into an Array]] #* [[Working with Objective-C Array Objects|Deleting Elements from an Array Object]] #* [[Working with Objective-C Array Objects|Sorting Array Objects]]<br><br> # [[Objective-C Dictionary Objects]] #* [[Objective-C Dictionary Objects|What are Dictionary Objects?]] #* [[Objective-C Dictionary Objects|Creating Dictionary Objects]] #* [[Objective-C Dictionary Objects|Initializing and Adding Entries to a Dictionary Object]] #* [[Objective-C Dictionary Objects|Getting an Entry Count]] #* [[Objective-C Dictionary Objects|Accessing Dictionary Entries]] #* [[Objective-C Dictionary Objects|Removing Entries from a Dictionary Object]]<br><br> # [[Working with Directories in Objective-C]] #* [[Working with Directories in Objective-C|The Objective-C NSFileManager, NSFileHandle and NSData Classes]] #* [[Working with Directories in Objective-C|Understanding Pathnames in Objective-C]] #* [[Working with Directories in Objective-C|Creating an NSFileManager Instance Object]] #* [[Working with Directories in Objective-C|Identifying the Current Working Directory]] #* [[Working with Directories in Objective-C|Changing to a Different Directory]] #* [[Working with Directories in Objective-C|Creating a New Directory]] #* [[Working with Directories in Objective-C|Deleting a Directory]] #* [[Working with Directories in Objective-C|Renaming or Moving a Directory]] #* [[Working with Directories in Objective-C|Getting a Directory File Listing]] #* [[Working with Directories in Objective-C|Getting the Attributes of a File or Directory]]<br><br> # [[Working with Files in Objective-C]] #* [[Working with Files in Objective-C|Creating an NSFileManager Instance]] #* [[Working with Files in Objective-C|Checking if a File Exists]] #* [[Working with Files in Objective-C|Comparing the Contents of Two Files]] #* [[Working with Files in Objective-C|Checking if a File is ReadableWritableExecutableDeletable]] #* [[Working with Files in Objective-C|MovingRenaming a File]] #* [[Working with Files in Objective-C|Copying a File]] #* [[Working with Files in Objective-C|Removing a File]] #* [[Working with Files in Objective-C|Creating a Symbolic Link]] #* [[Working with Files in Objective-C|Reading and Writing Files with NSFileManager]] #* [[Working with Files in Objective-C|Working with Files using the NSFileHandle Class]] #* [[Working with Files in Objective-C|Creating an NSFileHandle Object]] #* [[Working with Files in Objective-C|NSFileHandle File Offsets and Seeking]] #* [[Working with Files in Objective-C|Reading Data from a File]] #* [[Working with Files in Objective-C|Writing Data to a File]] #* [[Working with Files in Objective-C|Truncating a File]]<br><br> # [[Constructing and Manipulating Paths with NSPathUtilities]] #* [[Constructing and Manipulating Paths with NSPathUtilities|The Anatomy of a Path]] #* [[Constructing and Manipulating Paths with NSPathUtilities|Finding a Temporary Directory]] #* [[Constructing and Manipulating Paths with NSPathUtilities|Getting the Current User's Home Directory]] #* [[Constructing and Manipulating Paths with NSPathUtilities|Getting the Home Directory of a Specified User]] #* [[Constructing and Manipulating Paths with NSPathUtilities|Extracting the Filename from a Path]] #* [[Constructing and Manipulating Paths with NSPathUtilities|Extracting the Filename Extension]] #* [[Constructing and Manipulating Paths with NSPathUtilities|Standardizing a Path]] #* [[Constructing and Manipulating Paths with NSPathUtilities|Extracting the Components of a Path]]<br><br> # [[Copying Objects in Objective-C]] #* [[Copying Objects in Objective-C|Objects and Pointers]] #* [[Copying Objects in Objective-C|Copying an Object in Objective-C using the <NSCopying> Protocol]] #* [[Copying Objects in Objective-C|<NSCopying> Protocol and copyWithZone Method Implementation]] #* [[Copying Objects in Objective-C|Performing a Deep Copy]]<br><br> # [[Using Objective-C Preprocessor Directives]] #* [[Using Objective-C Preprocessor Directives|The #define Statement]] #* [[Using Objective-C Preprocessor Directives|Creating Macros with the #define Statement]] #* [[Using Objective-C Preprocessor Directives|Changing the Objective-C Language with #define]] #* [[Using Objective-C Preprocessor Directives|Undefining a Definition with #undef]] #* [[Using Objective-C Preprocessor Directives|Conditional Compilation]] #* [[Using Objective-C Preprocessor Directives|The #import Directive]]<br><br> <td> <td valign="top"> <htmlet>adsdaqbox.html