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What is the difference between RequestDispatcher and
sendRedirect?-
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Answer / nagababu
RequestDispatcher: server-side redirect with request and
response objects.
sendRedirect : Client-side redirect with new request and
response objects.
| Is This Answer Correct ? | 21 Yes | 0 No |
Answer / kalyan
RequestDispatcher() method is executed in server-
side,requestdispatcher method is used to transfer the one
page to another serverside page .In this method we can use
the include() and forward() methods .
SendRedirect () method is directly into the client side ....
| Is This Answer Correct ? | 6 Yes | 1 No |
Answer / hitler
The RequestDispatcher is executed in server side, request will
send to one server side program to another server side
programe.advantage of RequestDispatcher is executed fastly in
server side.,
The response.sendRedirct(..) is executed in browser side means
the request url will send to browser url , advantage of
sendRedirect(..) is can intract with one application to
another application.
depand on situvation we are used ..
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / qim2010
The forward method of RequestDispatcher will forward the
ServletRequest and ServletResponse that it is passed to the
path that was specified in getRequestDispatcher(String
path). The response will not be sent back to the client and
so the client will not know about this change of resource on
the server. This method is useful for communicating between
server resources, (servlet to servlet). Because the request
and response are forwarded to another resource all request
parameters are maintained and available for use. Since the
client does not know about this forward on the server, no
history of it will be stored on the client, so using the
back and forward buttons will not work. This method is
faster than using sendRedirect as no network round trip to
the server and back is required.
An example using forward:
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException,
IOException {
RequestDispatcher rd =
request.getRequestDispatcher("pathToResource");
rd.forward(request, response);
}
The sendRedirect(String path) method of HttpServletResponse
will tell the client that it should send a request to the
specified path. So the client will build a new request and
submit it to the server, because a new request is being
submitted all previous parameters stored in the request will
be unavailable. The client's history will be updated so the
forward and back buttons will work. This method is useful
for redirecting to pages on other servers and domains.
An example using sendRedirect:
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws ServletException,
IOException {
response.sendRedirect("pathToResource");
}
| Is This Answer Correct ? | 3 Yes | 1 No |
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