what are different implicit objects of JSP?

pageContext :- The PageContext object.pageScope :- A Map of all the objects that have page scope.requestScope :- A Map of all the objects that have request scope.sessionScope :- A Map of all the objects that have session scope.applicationScope :- A Map of all the objects that have application scope.
param :- A Map of all the form parameters that were passed to your JSP page (for example,the HTML <input name="ourName" type="text"/> is passed to your JSP page as aform parameter).paramValues :- HTML allows for multiple values for a single form parameter. This is aMap of all the parameters, just like param, but in this object the values are an arraycontaining all of the values for a given parameter in the event that there's more than one.header :- A Map of all the request headers.headerValues :- For the same reasons as paramValues, a headerValues object is provided.cookie :- A Map of all the cookies passed to your JSP. The value returned is a Cookieobject.initParam :- A Map that maps context initialization parameter names to their parametervalues.

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Venkat
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