j2ee: JavaBeans [15/20]

Definition (from the spec):
"A Java Bean is a reusable software component that can be manipulated visually in a builder tool."

For this class, used to encapsulate some validation logic, as well as data for the presentation layer

Beans are just Java classes that follow various conventions and design patterns and can make use of the java.beans.* classes and interfaces

Learn more about JavaBeans at http://java.sun.com/products/javabeans/

Beans will vary in functionality, but can support:

• introspection
• customization
• events
• properties
• persistence