J2EE™ Tutorial, The

Creating and Using a JavaBeans Component

You declare that your JSP page will use a JavaBeans component using either one of the following formats:

<jsp:useBean id="beanName" 
   class="fully_qualified_classname" scope="scope"/> 

or

<jsp:useBean id="beanName" 
   class="fully_qualified_classname" scope="scope"> 
   <jsp:setProperty .../> 
</jsp:useBean> 

The second format is used when you want to include jsp:setProperty statements, described in the next section, for initializing bean properties.

The jsp:useBean element declares that the page will use a bean that is stored within and accessible from the specified scope, which can be application, session, request, or page. If no such bean exists, the statement creates the bean and stores it as an attribute ...