Chapter 2. Java Beans and JSP

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IN THIS CHAPTER

• Bean Basics

• Bean Persistence

• Application-Scoped Object and Singleton Classes

• Wrapping Up Beans

Java Beans are fundamental to the operation of JSP. They are the nuggets of information that persist between requests , that are filled in by forms, and that otherwise provide the glue to make your Web site work.

Beans themselves are very simple. They are merely Java classes that obey a few simple conventions. More than likely, you've already written a few Beans, but we'll start off with a quick review of them before talking about how JSP uses Beans.

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