What is polymorphism in OOP?

Polymorphism is one of the core concepts of object-oriented programming (OOP) and describes situations in which something occurs in several different forms . In computer science, it describes the concept that you can access objects of different types through the same interface.17 Ara 2021

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Why is it called dynamic polymorphism?

speak() is same because according to compiler both methods are called on Mammal reference but the output for both method calls is different because at runtime JVM knows what object a reference is holding and JVM calls the method on the object and this is why Method Overriding is known as Dynamic Polymorphism.26 Ara 2013

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