jsp implicit objects

ther are 9 implicit objects present in the jsp to be used in scripting elements

objectname     instance of the class
request                  javax.servlet.http.HttpServletRequest
response                javax.servlet.http.HttpServletResponse
session                  javax.servlet.http.HttpSession

application             java.servlet.ServletContext
config                    javax.servet.ServletConfig

exception               java.lang.Throwable (avalaible in only error pages)
page                      java.lang.Object

pageContext          javax.servlet.jsp.PageContext
out                        javax.servlet.jsp.JspWritter