OOP Polymorphism Principle in Swift

In this tutorial, I walk you through Polymorphism. Which is 1 of the 4 Object Oriented Programming (OOP) principles. Polymorphism is also a principle of Protocol Oriented Programming (POP).

We will open Xcode and I will show you an example in Playgrounds of why Polymorphism is a better option. Then I will show you how to use Polymorphism with both OOP and POP.

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