Use of "Self" keyword in Objective-C
objective-c, oop, self
Solution
`self` is a special variable in Objective-C, inside an instance method this variable refers to the receiver(object) of the message that invoked the method, while in a class method `self` will indicate which class is calling.
`self` refers to the actual object that is executing the current method, it is an invisible argument passed automatically by the runtime environment to your instance methods.
Problem
Possible Duplicate: Objective-C - When to use ‘self’ I can't understand very well the importance and the usage of the "self" keyword in objective-c. It's my first OOP language so i got stuck on some concepts. When i should use "self"? Why is it useful? Thanks for the answers! Edit: I can't understand why is this a duplicated post of Objective-C - When to use 'self' when there there is not the explanation of "Self" that i wanted.