About JSP implicit Objects

By default JSP creates some prebuild objects. These are request, response, session, application, page, out, exception, pageContext.
request is a HttpServletRequest Object.
response is a HttpServletResponse Object.
session is a HttpSession Object.
config is a ServletConfig Object.
application is a ServletContext Object.
page is a JspPage Object.
pageContext is a PageContext Object.
out is a JspWriter Object.
exception is a Throwable Object.