J2EE™ Tutorial, The

Retrieving JavaBeans Component Properties

There are several ways to retrieve JavaBeans component properties. Two of the methods (the jsp:getProperty element and an expression) convert the value of the property into a String and insert the value into the current implicit out object:

• <jsp:getProperty name="beanName " property="propName "/>

• <%= beanName.getPropName () %>

For both methods, beanName must be the same as that specified for the id attribute in a useBean element, and there must be a getPropName method in the JavaBeans component.

If you need to retrieve the value of a property without converting it and inserting it into the out object, you must use a scriptlet:

<% Object o = beanName.getPropName(); %> 

Note the differences between the ...