多項選擇題

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”）

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單項選擇題

A developer for the Company.com web site has been told that users may turn off cookie support in their browsers. What must the developer do to ensure that these customers can still use the web application？（）

A. The developer must ensure that every URL is properly encoded using the appropriate URL rewriting APIs
B. The developer must provide an alternate mechanism for managing sessions and abandon theHttpSession mechanism entirely
C. The developer can ignore this issue. Web containers are required to support automatic URL rewriting when cookies are not supported
D. The developer must ass the string ？id= to the end of every URL to ensure that the conversion with the browser can continue.

單項選擇題

A JSP page， current.jsp， is created to display the current weather report. The weather report is contained in a weather.html page that is rewritten every five minutes.
Which line， appearing in current.jsp， ensures that the most recent version of weather.html is included whenever current.jsp is referenced？（）

A.
B.
C.
D.
E.