Which three can be placed at line 23 to retrieve an existing 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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