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

I'm getting better with Java, even to the point where I'm almost comfortable with it, but the purpose behind one concept still eludes me: What is method overriding, and why should I care about it?

Method overriding with Java inheritance Inheritance allows us to reuse the methods and other attributes of one class in a new class, which is very convenient.