jsp Implicit Objects

JSP page provides access to some implicit objects, that you can access from scriptlets. JSP implicit objects are created by container while translating the Jsp page into servlet.

Object	Type	Description
request	javax.servlet.ServletRequest	The ServletRequest or HttpServletRequest being serviced.
response	javax.servlet.ServletResponse	The ServletResponse or HttpServletResponse that will receive the generated HTML output.
pageContext	javax.servlet.jsp.PageContext	The page context for this JSP page.
session	javax.servlet.http.HttpSession	The session object created for the requesting client (if any). This variable is only valid for HTTP protocols.
application	javax.servlet.ServletContext	The servlet context obtained from the servlet configuration object.
out	javax.servlet.jsp.JspWriter	An object that writes into the output stream
config	javax.servlet.ServletConfig	The ServletConfig for this JSP page
page	java.lang.Object	A reference to the JSP page itself.

In addition to the above implicit objects, there is exception object, which is accessed from the Error page.

exception

java.lang.Throwable

An uncaught exception that causes the error page to be invoked. This variable is available only to pages with isErrorPage="true".

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