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 ...

In object technology, a variable used by an instance of a class. It holds data for a particular object. Contrast with class variable. See class. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other ...

It’s far better for performance to have a ready-to-use instance of the object that we can share across the system. In this case, the lazy instantiation strategy works very well.