The main purpose of Objective-C programming language is to add object orientation to the C programming language and classes are…
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Command-Line Arguments
It is possible to pass some values from the command line to your Objective-C programs when they are executed. These…
Read MoreObjective-C Error Handling
In Objective-C programming, error handling is provided with NSError class available in Foundation framework. An NSError object encapsulates richer and…
Read MoreObjective-C Log Handling
NSLog method In order to print logs, we use the NSLog method in Objective-C programming language which we have used…
Read MoreObjective-C Type Casting
Type casting is a way to convert a variable from one data type to another data type. For example, if…
Read MoreObjective-C Typedef
The Objective-C programming language provides a keyword called typedef, which you can use to give a type a new name.…
Read MoreObjective-C Preprocessors
The Objective-C Preprocessor is not part of the compiler, but is a separate step in the compilation process. In simplistic…
Read MoreObjective-C Structures
Objective-C arrays allow you to define type of variables that can hold several data items of the same kind but…
Read MoreObjective-C Strings
The string in Objective-C programming language is represented using NSString and its subclass NSMutableString provides several ways for creating string…
Read MoreObjective-C Pointers
Pointers in Objective-C are easy and fun to learn. Some Objective-C programming tasks are performed more easily with pointers, and…
Read MoreObjective-C Arrays
Objective-C programming language provides a data structure called the array, which can store a fixed-size sequential collection of elements of…
Read MoreObjective-C Numbers
In Objective-C programming language, in order to save the basic data types like int, float, bool in object form, Objective-C…
Read MoreObjective-C Blocks
An Objective-C class defines an object that combines data with related behavior. Sometimes, it makes sense just to represent a…
Read MoreObjective-C Functions
A function is a group of statements that together perform a task. Every Objective-C program has one C function, which…
Read MoreObjective-C Decision Making
Decision making structures require that the programmer specify one or more conditions to be evaluated or tested by the program,…
Read MoreObjective-C Loops
There may be a situation, when you need to execute a block of code several number of times. In general,…
Read MoreObjective-C Operators
An operator is a symbol that tells the compiler to perform specific mathematical or logical manipulations. Objective-C language is rich…
Read MoreObjective-C Constants
The constants refer to fixed values that the program may not alter during its execution. These fixed values are also…
Read MoreObjective-C: Variables
A variable it’s a data type and can be composed by letters, numbers and underscore character. Type: char: 1 byte(octet)…
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Objective-C: Data types
In objective-c data types are: basic types; enumerated types; type void; derived types; Integer types: char: 1 byte (-128 to…
Read MoreObjective-C: Structure of program
You can use X-Code to write your first program ‘Hello World!’: // First program example #import <Foundation/Foundation.h> int main (int…
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