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 ...

For an introduction to Java interfaces, including the difference between classes and interfaces, see my Java 101 tutorial Working with interfaces in Java. Nesting interfaces in classes ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The implementation of Java 8 Lambda expressions required an introduction to a number of new ...

Java is one of the most in-demand programming languages in the world and one of the two official programming languages used in Android development (the other being Kotlin). Developers familiar with ...

Community driven content discussing all aspects of software development from DevOps to design patterns. The goal of a lambda expression in Java is to implement a single method. All Java methods have ...