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");
正确答案:A,C,D
答案解析:有
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