There are numerous new classes, enums, methods, and interfaces being added to JDK 7 that may not get significant coverage in the blogs and articles on Java 7. In this post, I list and describe some of ...

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 ...

Extension methods provide a great way for extending a class functionality -- but it's interfaces that let you use those methods anywhere you want. Extension methods let you add functionality to an ...

Extensible applications allow you to add functionality without rewriting your application: you dynamically select the classes that make up your application at runtime rather than design time. I once ...

While it seems so basic that it wouldn't require a mention, there's a basic and often violated software design principle pertaining to Java method modifiers that is in need of explanation. A public ...