Java interfaces are different from classes, and it’s important to know how to use their special properties in your Java programs. This tutorial introduces the difference between classes and interfaces ...

Newcomers to the Java language often experience confusion. Their bafflement is largely due to Java’s palette of exotic language features, such as generics and lambdas. However, even simpler features ...

In this installment, we continue to discuss the rule of interface. An interface is the means by which a client and an object communicate; a client says something and the object responds. Their ...