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https://www.tutorialspoint.com/objective_c/objective_c_polymorphism.htm
Objective-C Polymorphism. The word polymorphism means having many forms. Typically, polymorphism occurs when there is a hierarchy of classes and they are related by inheritance. Objective-C polymorphism means that a call to a member function will cause a different function to be executed depending on the type of object that invokes the function.
https://www.quora.com/Objective-C-programming-language-What-is-polymorphism
Polymorphism in Objective-C is the fairly standard subtype polymorphism you find in most class based object oriented languages. It means that an instance of a class can also be treated as an instance of any of its superclasses. Literally translated, it means that something can take several forms.
https://atomicobject.com/resources/handbook-of-software/objective-c-language
Objective C's support for polymorphism is simple: the type of the receiver of a message is not determined until run-time, so the method which is executed is not decided until run-time, and that decision is based on the receiver's class.
https://quizlet.com/107141424/prop-12-support-for-object-oriented-programming-flash-cards/
Objective-C only support single inheritance # What is the purpose of an Objective-C category? Category is a collection of methods can be added to class with a construct.
https://www.codeproject.com/articles/108830/inheritance-and-polymorphism-in-c
Sep 10, 2010 · In C, inheritance can be achieved by maintaining a reference to the base class object in the derived class object. With the help of the base class' instance, we can access the base data members and functions. However, in order to achieve polymorphism, the base class object should be able to access the derived class object’s data.4.7/5(34)
https://www.tutorialspoint.com/objective_c/objective_c_classes_objects.htm
The main purpose of Objective-C programming language is to add object orientation to the C programming language and classes are the central feature of Objective-C that support object-oriented programming and are often called user-defined types. A …
https://stackoverflow.com/questions/5951388/multiple-inheritance-in-objective-c
Objective-C do not support multiple inheritance, so this is not possible. Inheritance is a "is-a" relation, one class can only have one is-a relation through inheritance. You can have several is-a relations through protocols (interfaces in Java or C# parlace, or completely abstract class in C++).
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