Preserving session in Java with sendredirect

Question

I am creating a Login Application in JAVA.I am making the presentation in JSP and all the logic (Database connectivity) in Servlet [this is not a right approach I know that]

Answer 1

Use the RequestDispatcher and set your username variable using request.setAttribute(). In this case the dispatcher will not create a new request but the same request will be forwarded using the forward() method.