es.

 <p>
 For example, in the EL expression ${employee.lastName}, an <code>ELResolver</code> determines what object
 "employee" references and how to find its "lastName" property.
 </p>

 <p>
 When evaluating an expression, the JSP container will consult a set of standard resolvers as well as any
 resolvers registered via this method. The set of resolvers are consulted in the following order:
 </p>
 <ul>
 <li><a href="../../../javax/servlet/jsp/el/ImplicitObjectELResolver.html" title="class in javax.servle