Answer Posted / srinu

FORWARD----->
1) in Forward request and response object be same.
2)IN FORWARD METHOD THE CONTROLLER DIRECTLY GOES TO OTHER
PAGE WHEN U CALL THE FORWARD METHOD.
3)FORWARD METHOD USED WITH IN WEBAPPLICATION .
4)In this case controller goes directly go to request
page.i.e means does not generated implict reponse go to
browser.
5)U CALL THE FORWARD METHOD JUST NEDDED OBJECT OF
REQUESTDISPACTHER OBJECT

EX:-
RequestDispacher rd=null;
rd = req.getRequestDispatcher("/WA1");
rd.forward(req,res);
5)it used small webapplication.

sendredirect:-
1)in sendRedirect()request,reponse object will not be same.
2)in sendRedirect()method the controller did not pass directly.
3)it over come the drawback of forward()(just watch 3 step
in forward()) this method used with in webapplication or
outside of webapplication.
4)In this case first controller goes client browser window
after it will go to request page.i.e means implict reponse
go to browser.
5)u call the sendRedirect() method u need a response object.

EX:-
response.sendRedirect("/ServletProject/ValidUser");

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