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 ...

However, Java refers to class libraries as packages. This article explores packages; I show you how to create packages of classes and interfaces, how to import (that is, ...

In Java, a package can contain other packages, classes, or both. When modeling, you’ll typically have logical packages that serve primarily to organize your model.

The class in this example only defines properties. It contains no explicitly defined Java constructors. When no explicitly defined constructors exist, Java's virtual machine makes object creation ...

Developers who create a runnable Java class, be it for a ‘Hello World’ demonstration or to kick off a fully featured enterprise application, will enjoy the following technical benefits when using ...