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Objective-C Exception Handling
Exceptions are used to inform the programmer about something that went wrong, while errors are used to inform the user that a requested action could not be completed...
Objective-C : Type Casting
Type Casting a process converting one type of object to another type of object. Every language a semantics of TypeCasting. Today we will discuss about type casting in Objective C.
Objective-C : Typedef
The typedef keyword lets you create new data types or redefine existing ones.
Objective-C : Preprocessor
Objective-C Preprocessor is just a text substitution tool and it instructs compiler to do required pre-processing before actual compilation.
Objective-C : Unions
Unions are syntactically similar to structs, but inside there are not three pieces of memory, only one.
Objective-C : Structures
Structs are a C construct that allows for grouping of items into one variable.
Objective-C : NSDictionary class
NSDictionary class represents an unordered collection of objects; however, they associate each value with a key...
Objective-C : Strings
The string in Objective-C programming language is represented using NSString and its subclass NSMutableString provides several ways for creating string objects.
Objective-C : Arrays
Objective-C programming language provides a data structure called the array, which can store a fixed-size sequential collection of elements of the same type
Objective-C : Programming Language Summary
In this article we will discuss overall summary in a brief way of Objective C.
Objective-C : Numbers
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 methods to work with NSNumber and important ones are listed in following table:
Objective C : Constants
When you’re building an app you usually need some values to remain the same for the whole runtime of the app.