Learn the four types of polymorphism in Java, then start using subtype polymorphism to execute different forms of the same Java method.

Get started with polymorphism in Java and how to do method invocation in polymorphic method calls.

What is a good definition of polymorphism? I know what it is and how to use polymorphism when programming Java but i have a really hard time defining it concisely when I'm asked to do so (for ...