Polymorphism in Java - Java tutorial - w3Schools - Chapter 34 English
what is polymorphism in java
Polymorphism means "many forms", and it occurs when we have many classes that are related to each other by inheritance.
Inheritance lets us inherit attributes and methods from another class. Polymorphism uses those methods to perform different tasks. This allows us to perform a single action in different ways.
polymorphism example
For example, think of a superclass called Animal that has a method called animalSound(). Subclasses of Animals could be Pigs, Cats, Dogs, Birds - And they also have their own implementation of an animal sound (the pig oinks, and the cat meows, etc.).
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