Classes, fields, methods, constructors, and objects are the building blocks of object-based Java applications. This Java tutorial teaches you how to declare classes, describe attributes via fields, ...

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 ...

An abstract class is a template definition of methods and variables in a specific class, or category of objects. In programming, objects are units of code, and each object is made into a generic class ...

When working in applications you might often find that the source code has become so complex that it is difficult to understand and maintain. Fluent interfaces and method chaining are two concepts ...

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 ...