The introspection process allows the JSP engine to populate a JavaBean with the values provided by a client through an HTML form.
//when the names of the bean properties match the names of the HTML
//form
<jsp:useBean id="bean_name_here" class="bean_class_here" scope="page|request|session|application">
<jsp:setProperty name="bean_name_here" property="*"/>
</jsp:useBean>
//when the names of the bean properties don't match the names of the
//HTML form
<jsp:setProperty name="bean_name_here"
param="HTML_form_property_name_here"
property="bean_property_name_here"/>
</jsp:useBean>
This technique is very useful if you want to manage an HTML form through a JSP page.
