A. init() B. doPost() C. destroy() D.service()
A. sendURL B. redirectURL C. sendRedirect() D. getRequestDistpatcher(),
A. <jsp:useBean id="user" class="user.User" scope="page"/> B. <jsp:useBean class="user.User.class" /> C. <jsp:useBean name="user" class="user.User"/> D. <jsp:useBean id="user" class="User" import="user.* "/>