How do I use interfaces in programming?

What are interfaces in programming?

Interfaces are contracts that define methods and properties without implementing them. They allow different classes to implement the same set of methods.

How do I create an interface in Java?

In Java, you can create an interface using the 'interface' keyword. For example: 'public interface MyInterface { void myMethod(); }'.

Can a class implement multiple interfaces?

Yes, a class in Java can implement multiple interfaces, allowing for more flexible and reusable code.

What is the difference between an interface and an abstract class?

An interface can only declare methods without implementation, while an abstract class can have both abstract methods and concrete methods.