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.

In Java, an abstract class is similar to an interface. There are some differences between the abstract class and the interface. It is important to think about how we handle them correctly. I am going ...

While Designing applicaiton we need to design carefully. Basically, Interface is used in most of the cases where we need to use contract. Contract will have list of method signatures only and we will ...

How to use Java’s Function interface. For this Java Function interface example, we will provide a single method named “apply” that takes an Integer as an argument, squares it and returns the result as ...