Are Session And SessionScope The Same In JSP EL?
Answer : With expression language (EL), the scope items are value maps of attributes in the objects that they refer to. For instance, the requestScope is a map representation of values in the request object. This is explained in pretty clear detail on this page: Java Servlet and JSP. If you read through the EL sections, you'll notice a point about request vs request scope here: The requestScope is NOT request object. I would recommend reading through this page to get a better understanding of servlet/jsp in general. As far as how the ActionContext relates to these items, it is really a wrapper used by struts to encapsulate the servlet. You can read more specifics about it here: Accessing application, session, request objects. There have been some references to implicit values given here, but I feel like just saying it's implicit doesn't really explain much. When you are using EL to access servlet variables, you can explicitly declare which scope you want to referen...