A.Dispatcher view=context.getDispatcher(viewURL);view.forward Request(request, response);
B.Dispatcher view=request.getDispatcher(viewURL);view.forward Request(request, response);
C.RequestDispatcher view. =context.getRequestDispatcher(viewURL);view.forward(request,response);
D.RequestDispatcher view=request.getRequestDispatcher(viewURL);view.forward(request, response);