What is the need for java interface?
What is the use of Java interfaces?
Java: What is an interface in Java? What are the advantages of an interface in java? Why use interfaces for programming in Java and C#? What is the difference between packages and interfaces in Java? Why do we need Functional interface in Java? What are the differences between abstract and interface in Java? What is the difference between abstract classes and interfaces in Java? What is Interface in C#? Why do we use Interfaces? What is the difference between abstraction and interface? What are some good books to learn interfaces in Java? What is the difference between abstract and interface? What is difference between abstract class and interface? What is the difference between interface and abstract class? How do I implement interface in Java without overriding all the methods in my base class? Differences between abstract and interface class? Should I avoid using default methods in Java interfaces? Abstract and interface class? How do I use the Lockable interface in Java? Why would we use interfaces when we could use abstract classes? When should I use an interface over an abstract class? What is user interface? What is the best and fastest way to write a simple GUI interface in Java? What is java uses? What are the different programming platforms for Java? What is the difference between an Abstract Class and an Interface in C++? What are the different java programming platforms? Which Java GUI API should I use? What is the Java framework? What are the Java frameworks? What exactly is Java used for? What things can I program using Java?