A.String[] getParameterValues(Stringname) B.String[] getParameter(Stringname) C.String getParameter(Stringname) D.String getParameterValuses(Stringname)
A.response.getRealPath(“/”) B.request.getFile(“/”)。 C.response.getFile(“/”) D.request.getRealPath(“/”)
A.<filter> B.<filter-class> C.<filter-name> D.<filter-mapping>