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 an existing HttpSession object? (Choose three.)
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");