Given an HttpServletRequest request:
22.String id = request.getParameter("jsessionid");
23.// insert code here
24.String name = (String) session.getAttribute("name");
Which three can be placed at line 23 to retrieve anexisting HttpSession object?()
A.HttpSession session = request.getSession();
B.HttpSession session = request.getSession(id);
C.HttpSession session = request.getSession(true);
D.HttpSession session = request.getSession(false);
E.HttpSession session = request.getSession("jsessionid");