单项选择题

Which JSTL code snippet can be used to perform URL rewriting？（）

A.<a href=’<c：url url="foo.jsp"/>’ />
B.<a href=’<c：link url="foo.jsp"/>’ />
C.<a href=’<c：url value="foo.jsp"/>’ />
D.<a href=’<c：link value="foo.jsp"/>’ />

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单项选择题

Assume that a news tag library contains the tags lookup and item： lookup Retrieves the latest news headlines and executes the tag body once for each headline. Exposes a NESTED page scoped attributecalled headline of type com.example.Headline containing details for that headline. item Outputs the HTMLfor a single news headline. Accepts an attribute info of typecom.example.Headline containing details for theheadline to be rendered.
Which snippet of JSP code returns the latest news headlines in an HTML table，one per row？（）

A.
B.
C.
D.

单项选择题

One of the use cases in your web application uses many session-scoped attributes. At the end of the usecase， you want to clear out this set of attributes from the session object. Assume that this static variableholds this set of attribute names：
201.private static final Set<String> USE_CASE_ATTRS；
202.static {
203.USE_CASE_ATTRS.add（"customerOID"）；
204.USE_CASE_ATTRS.add（"custMgrBean"）；
205.USE_CASE_ATTRS.add（"orderOID"）；
206.USE_CASE_ATTRS.add（"orderMgrBean"）；
207.}
Which code snippet deletes these attributes from the session object？（）

A.session.removeAll（USE_CASE_ATTRS）；
B.for（ String attr ： USE_CASE_ATTRS ）{ session.remove（attr）； }
C.for（ String attr ： USE_CASE_ATTRS ）{session.removeAttribute（attr）；}
D.for（ String attr ： USE_CASE_ATTRS ）{session.deleteAttribute（attr）；}
E.session.deleteAllAttributes（USE_CASE_ATTRS）；

单项选择题

Which statement is true about web container session management？（）

A.Access to session-scoped attributes is guaranteed to be thread-safe by the web container.
B.To activate URL rewriting， the developer must use the HttpServletResponse.setURLRewriting method.
C.If the web application uses HTTPS， then the web container may use the data on the HTTPS request stream to identify the client.
D.The JSESSIONID cookie is stored permanently on the client so that a user may return to the web application and the web container will rejoin that session.