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 ...

Why does Java's standard class library contain empty interfaces like Cloneable and Serializable? Find out why in this sixth installment in the "Object-oriented language basics" series. You'll also ...

Many developers get intimidated when they look at all the new APIs that accept lambda expressions as arguments, and wonder how they’ll ever figure out which Java function to use and what the proper ...