Object Oriented Concept in Objective-C

Object Oriented Concept in Objective-C

OOP in iOS

• Whenever programing language support OOP concept then it’s called Object Oriented Programming Language.
• In any OOP language we having four OOP concept i.e AEIP
• 1)Abstraction 
• 2)Encapsulation 
• 3)Inheritance
•  4)Polymorphism 
• Abstraction – It is a concept of providing the information an entity without any implementation. 
• Encapsulation – It is a concept of providing the security for the data with the help of private or protected variables. 
• Polymorphism – It is a concept of implementation of method multiple time with same name. 
• Inheritance – Deriving the properties of base class to derived class is called inheritance. In Objective C, we having two types of inheritance i.e 
•  1)Single inheritance 
•  2)Multilevel Inheritance Single inheritance – When we are deriving a class from single base class it is called single inheritance. Multilevel inheritance – Deriving a class from an exisiting derived class is called multilevel inheritance.
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