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 ...

Functional interfaces Java 8 will have a new feature called functional interfaces. Basically, default methods are added to an interface and do not have to be overridden in the interface ...

The interfaces java.util.List and java.util.Set extend Collection, representing more specialized data structures and adding more operations and/or constraints. List represents a sequence of ...