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 ...

Java lets you declare interfaces inside of classes. Once declared, an interface is automatically a static member of the class. There is no need to declare the interface with the static keyword.

Throughout this intro to Java interfaces course, you'll gain an in-depth understanding of interfaces, create an interface definition, implement interfaces, and use annotations for interfaces.

The functional Predicate interface gets used extensively by the Java 8 Streams API. Any developer who wants to master functional programming in Java will need to be comfortable with the Predicate ...

Interested in Java functional programming? The first place you need to start, especially if you use the Streams API, is with this Java Function interface example.

A tutorial highlighting the various design patterns in Java. Learn about the benefits and different types of design patterns.