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What is the difference between sendRedirect and RequestDispatcher?

Difference between sendRedirect and RequestDispatcher.

             sendRedirect           RequestDispatcher
  1. Creates a new request from the client browser for the resource.
  2. Accept relative url so control can go inside or outside the server.
  3. New url can be seen in browser.
  4. Work on response object.
  1. No new request is created.
  2. Not accept relative url so can go only inside the server.
  3. New url can’t be seen in browser.
  4. Work on request object.

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