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单项选择题

Given：5.publicclassMyTagHandlerextendsTagSupport{6.publicintdoStartTag（）throwsJspException{7.try{8.//insertcodehere9.}catch（Exceptionex）{/*handleexception*/}10.returnsuper.doStartTag（）；11.}...42.}Whichcodesnippet，insertedatline8，causesthevaluefootobeoutput？（）
A.JspWriterw=pageContext.getOut（）；
B.print（"foo"）；
C.JspWriterw=pageContext.getWriter（）；
D.JspWriterw=newJspWriter(pageContext.getWriter());.w.print("foo");

A.publicclassMyTagHandlerextendsTagSupport{6.publicintdoStartTag（）throwsJspException{7.try{8.//insertcodehere9.}catch（Exceptionex）{/*handleexception*/}10.returnsuper.doStartTag（）；11.}...42.}Whichcodesnippet，insertedatline8，causesthevaluefootobeoutput？（）
A.JspWriterw=pageContext.getOut（）；
B.print（"foo"）；
C.JspWriterw=pageContext.getWriter（）；
D.JspWriterw=newJspWriter(pageContext.getWriter());.w.print("foo");
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单项选择题

Usersofyourwebapplicationhaverequestedthattheyshouldbeabletosetthedurationoftheirsessions.Soforexample，oneusermightwantawebapptostayconnectedforanhourratherthanthewebapp’sdefaultoffifteenminutes；anotherusermightwanttostayconnectedforawholeday.Furthermore，youhaveaspecialloginservletthatperformsuserauthenticationandretrievestheUserobjectfromthe database.Youwanttoaugmentthiscodetosetuptheuser’sspecifiedsessionduration.
Whichcodesnippetintheloginservletwillaccomplishthisgoal？（）
问答题

WhichofthefollowingarevalidbundledcomponentsofWebSphereCommerceProfessionalEdition？（）

A.LotusQuickPlace
B.LotusSameTime
C.WebSphereBusinessIntegrator
D.DB2
E.WebSphereApplicationServer
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