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.

I’ve compiled a list of questions and answers about fundamental topics in Java that I believe every Java developer should be aware of. This is part 4, covering the topic of Interface and Abstract ...

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 ...