Abstract classes and interfaces in Java serve fundamentally different purposes. ... A default method can have an implementation, whereas abstract methods can’t.

Learn to use method overriding and abstract classes to achieve dynamic polymorphism in Java, a feature that allows different implementations of the same method.

Abstract classes can contain abstract methods, which are methods that are declared but do not have a body. An abstract class is used as a base class to provide a common interface and implementation to ...

Fork this repo. Clone this repo. Add your instructor and the class graders as collaborators to your repository. If you are unsure who your class graders are, ask your instructor or refer to the day 1 ...