A.getMethod() B.getHeader() C.getParameter() D.getCookies()
A.request.getParameter("password") B.request.getParameters("password")[0] C.request.getParameterValues("password")[0] D.request.getRequestParameter("password")
A.ResponseStream out=response.getResponseStream() B.ResponseStream out=response.getStream() C.ResponseStream out=response.getOutputStream() D.ServletOutputStream out=response.getOutputStream()