Objective-C Classes & Objects
The main purpose of Objective-C programming language is to add object orientation to the C…
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Objective-C
Objective-C
Command-Line Arguments
It is possible to pass some values from the command line to your Objective-C programs…
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Objective-C Error Handling
In Objective-C programming, error handling is provided with NSError class available in Foundation framework. An…
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Objective-C Log Handling
NSLog method In order to print logs, we use the NSLog method in Objective-C programming…
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Objective-C Type Casting
Type casting is a way to convert a variable from one data type to another…
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Objective-C Typedef
The Objective-C programming language provides a keyword called typedef, which you can use to give…
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Objective-C Preprocessors
The Objective-C Preprocessor is not part of the compiler, but is a separate step in…
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Objective-C Structures
Objective-C arrays allow you to define type of variables that can hold several data items…
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Objective-C Strings
The string in Objective-C programming language is represented using NSString and its subclass NSMutableString provides…
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Objective-C Pointers
Pointers in Objective-C are easy and fun to learn. Some Objective-C programming tasks are performed…
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Objective-C Arrays
Objective-C programming language provides a data structure called the array, which can store a fixed-size…
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Objective-C Numbers
In Objective-C programming language, in order to save the basic data types like int, float,…
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Objective-C Blocks
An Objective-C class defines an object that combines data with related behavior. Sometimes, it makes…
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Objective-C Functions
A function is a group of statements that together perform a task. Every Objective-C program…
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Objective-C Decision Making
Decision making structures require that the programmer specify one or more conditions to be evaluated…
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Objective-C Loops
There may be a situation, when you need to execute a block of code several…
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Objective-C Operators
An operator is a symbol that tells the compiler to perform specific mathematical or logical…
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Objective-C Constants
The constants refer to fixed values that the program may not alter during its execution….
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Objective-C: Variables
A variable it’s a data type and can be composed by letters, numbers and underscore…
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Objective-C: Data types
In objective-c data types are: basic types; enumerated types; type void; derived types; Integer types:…
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Objective-C: Structure of program
You can use X-Code to write your first program ‘Hello World!’: // First program example…
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