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Structs are a C construct that allows for grouping of items into one variable.
NSDictionary class represents an unordered collection of objects; however, they associate each value with a key...
The string in Objective-C programming language is represented using NSString and its subclass NSMutableString provides several ways for creating strin
Objective-C programming language provides a data structure called the array, which can store a fixed-size sequential collection of elements of the sam
In this article we will discuss overall summary in a brief way of Objective C.
In Objective-C programming language, in order to save the basic data types like int, float, bool in object form. Objective-C provides a range of meth
When you’re building an app you usually need some values to remain the same for the whole runtime of the app.
Blocks are an Apple extension to the Objective-C language that were motivated by the desire to pass small pieces of code in API calls to the Grand Cen
Pointers in Objective-C are easy and fun to learn. Some Objective-C programming tasks are performed more easily with pointers, and other tasks, such a
One of the most important concepts in object-oriented programming is that of inheritance. Inheritance allows us to define a class in terms of another
Basically extern keyword extends the visibility of the C variables and C functions. Probably that’s is the reason why it was named as extern.
structure is another user-defined data type available in Objective-C programming which allows you to combine data items of different kinds.
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