Most of the rest of this chapter shows you the techniques that you use to write beans. Before we go into details, we give an overview of the process. First, we want to stress that writing a bean is not technically difficult—there are only a few new classes and interfaces for you to master.
In particular, the simplest kind of bean is really nothing more than a Java class that follows some fairly strict naming conventions for its methods.
Some authors claim that a bean must have a default constructor. The JavaBeans specification is actually silent on this issue. However, most builder tools require a default constructor ...