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Accessing HTTP Servlet Variables

The JSP pages you write are translated into servlets that process the HTTP GET and POST requests. The JSP code can access servlet information using implicit objects defined for each page. These implicit objects are pre-declared variables that you can reference from the Java code on your JSP. The most commonly used objects are shown in Table 13.3.

Table 13.3. JSP Implicit Objects

Reference Name	Class	Description
config	javax.servlet.ServletConfig	The servlet configuration information for the page
request	subclass of javax.servlet.ServletRequest	Request information for the current HTTP request
session	javax.servlet.http.HttpSession	The servlet session object for the client
out	javax.servlet.jsp.JspWriter	A subclass ...