Core Java Programming Course- Interface

This video tutorial explains the concept of interfaces in Java, highlighting their role as collections of abstract methods. It covers how to create and implement interfaces, the differences between interfaces and abstract classes, and the concept of interface inheritance, including multiple inheritance. The tutorial also discusses the features and limitations of interfaces, such as the inability to instantiate them or have data members, and the inclusion of static and default methods.

What is the main purpose of an interface in Java?

What keyword is used to declare a method in an interface?

How does an interface differ from an abstract class in terms of method implementation?

What happens when a class implements an interface but does not provide implementations for all its methods?

Can an interface extend another interface? Explain.

Explain the concept of multiple inheritance in the context of interfaces.

What are static and default methods in an interface?

What is the difference between static methods and default methods in an interface?

Why can't an interface have data members?

What is the significance of the public access modifier in interfaces?