Abstract classes and interfaces in Java serve fundamentally different purposes. Learn the differences between these Java language elements and how to use them in your programs.

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 ...

An abstract class in Java is a class that cannot be instantiated and is intended to be subclassed by other classes. Abstract classes can contain abstract methods, which are methods that are declared ...

Interface with default methods in java 8in later version of java interfaces always contained only method declaration. we are not giving method definition in the interfaces because java did not allow ...