问题:
Given an HttpServletRequest request and an HttpServletResponse response:
41.HttpSession session = null;
42.// insert code here
43.if(session == null) {
44.// do something if session does not exist
45.} else {
46.// do something if session exists47. }
To implement the design intent,which statement must be inserted at line 42?()
A . session = response.getSession();
B . session = request.getSession();
C . session = request.getSession(true);
D . session = request.getSession(false);
E . session = request.getSession("jsessionid");
Given an HttpServletRequest request and an HttpServletResponse response:
41.HttpSession session = null;
42.// insert code here
43.if(session == null) {
44.// do something if session does not exist
45.} else {
46.// do something if session exists47. }
To implement the design intent,which statement must be inserted at line 42?()
● 参考解析
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