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. Abstract classes ...

We can not run the interface Java class but we can run abstract class in it contains the main() method. Note: According the Java7 specification the main difference between abstract class and interface ...

Abstract class can have abstract and non-abstract methods. Interface can have only abstract methods. Since Java 8, it can have default and static methods also. Abstract class can have final, non-final ...

This is pretty significant in the Java world as the difference between abstract classes and interfaces has been one of the issues that vex new Java developers trying to understand the difference.

It is similar to class declaration. In standard naming conventions, the interface name starts with I. There is no language-based constraint on this. Instead, this is a convention. An interface can ...

1) don't create object for interface & abstract . but we can use ananymous class. 2) interface only declare method. but abstract class both define(nomarl method) and ...