Will they somehow make programming easier? If I create my business objects for database applications as components rather than just classes, what are the implications for front-end (presentation ...

The only difference between an object in the real ... whether or not we can see it on the screen. Thus it is a data object. The class is the piece of code that creates the data object.

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 ...