Use ForEach to List All Form Parameters
index.jsp
Set page parameters
This page allows you to enter information that is sent as request
parameters to another page. The next page lists them.
listPageParameters.jsp
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
List page parameters
You entered the following parameters:
<%-- 'param' is an implicit object. It is a Map that maps a 'key'
(the parameter name) to a 'value' --%>
- =