多选题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?()AHtt

题目
多选题
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);


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