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, ...

Classes and objects in Java must be initialized before they are used. You’ve previously learned that class fields are initialized to default values when classes are loaded, and that objects are ...

In the first article in our three-part series on the Unified Modeling Language (UML) we introduce key elements of the modeling language, its history and how to pick a UML tool UML is a language for ...