单项选择题
单项选择题 classDemoApp{publicstaticvoidmain（String[]args）{intx=5；inty=＋＋x＋x＋＋；System.out.println（y=”＋y＋”，x=”＋x）；}}以上程序运行后的输出结果是哪项？（）
单项选择题 Youarebuildingyourownlayoutmechanismbyincludingdynamiccontentforthepage’sheaderandfootersections.Thefooterisalwaysstatic，buttheheadergeneratesthe<title>tagthatrequiresthepagenametobespecifieddynamicallywhentheheaderisimported.WhichJSPcodesnippetperformstheimportoftheheadercontent？（）A.<jsp：includepage=’/WEB-INF/jsp/header.jsp’><jsp：paramname=’pageName’value=’WelcomePage’/></jsp：include>B.<jsp：importpage=’/WEB-INF/jsp/header.jsp’><jsp：paramname=’pageName’value=’WelcomePage’/></jsp：import>C.<jsp：includepage=’/WEB-INF/jsp/header.jsp’><jsp：attributename=’pageName’value=’WelcomePage’/>.</jsp：include>D.<jsp：importpage=’/WEB-INF/jsp/header.jsp’>.<jsp：attributename=’pageName’value=’WelcomePage’/>.</jsp：import>
单项选择题 WhichisabenefitofprecompilingaJSPpage？（）
单项选择题 TheJSPdeveloperwantsacommenttobevisibleinthefinaloutputtothebrowser.WhichcommentstyleneedstobeusedinaJSPpage？（）
单项选择题 WhichensuresthataJSPresponseisoftype'text／plain'？（）
单项选择题 WhichHttpSessionmethodstoresanobjectinasession？（）
单项选择题 ACompany.comdeveloperisdesigningamulti-tierwebapplicationanddiscoversaneedtohidethedetailsofestablishingandmaintainingremotecommunicationsfromtheclient.Inaddition，becausethebusinessandresourcetiersaredistributed，theapplicationneedstominimizetheinter-tiernetworktrafficrelatedtoservicingclientrequests.Whichdesignpatterns，workingtogether，addresstheseissues？（）A.FrontControllerandTransferObjectB.FrontControllerandServiceLocatorC.BusinessDelegateandTransferObjectD.BusinessdelegateandInterceptingFilterE.Model-View-ControllerandInterceptingFilter
单项选择题 Whichinterfacemustasessionattributeimplementifitneedstobenotifiedwhenawebcontainerpersistsasession？（）
单项选择题 AwebapplicationusestheHttpSessionmechanismtodetermineifauseris"loggedin."Whenausersuppliesavalidusernameandpassword，anHttpSessioniscreatedforthatuser.Theuserhasaccesstotheapplicationforonly15minutesafterloggingin.Thecodemustdeterminehowlongtheuserhasbeenloggedin，andifthistimeisgreaterthan15minutes，mustdestroytheHttpSession.Whichmethodin HttpSessionisusedtoaccomplishthis？（）A.GetcreationtimeB.InvalidateafterC.GetlastaccessedtimeD.Getmaxinactiveinterval
单项选择题 GivenanHttpServletRequestrequestandanHttpServletResponseresponse：41.HttpSessionsession=null；42.//insertcodehere43.if（session==null）{44.//dosomethingifsessiondoesnotexist45.}else{46.//dosomethingifsessionexists47.}Toimplementthedesignintent，whichstatementmustbeinsertedatline42？（）A.session=response.getSession（）；B.session=request.getSession（）；C.session=request.getSession（true）；D.session=request.getSession（false）；E.session=request.getSession（"jsessionid"）；
单项选择题 WhichmethodmustbeusedtoencodeaURLpassedasanargumenttoHttpServletResponse.sendRedirectwhenusingURLrewritingforsessiontracking？（）
单项选择题 AJSPpageneedstoperformsomeoperationsbeforeservicingthefirstrequest.Wherecanthisbedone？（）
单项选择题 Youarebuildingawebapplicationwithaschedulingcomponent.OntheJSP，youneedtoshowthecurrentdate，thedateofthepreviousweek，andthedateofthenextweek.Tohelpyoupresentthisinformation，youhavecreatedthefollowingELfunctionsinthe’d’namespace：name：curDate；signature：java.util.DatecurrentDate（）name：addWeek；signature：java.util.DateaddWeek（java.util.Date，int）name：dateString；signature：java.util.StringgetDateString（java.util.Date）WhichELcodesnippetwillgeneratethestringforthepreviousweek？A.${d：dateString（addWeek（curDate（），-1））}B.${d：dateString[addWeek[curDate[]，-1]]}C.${d：dateString[d：addWeek[d：curDate[]，-1]]}D.${d：dateString（d：addWeek（d：curDate（），-1））}
单项选择题 钱掌柜的买家级别设置不包含以下哪几个等级?()
单项选择题 抵价券的面值没有以下哪种?()
单项选择题 商业信息传播的维度中没有以下哪个?()
单项选择题 支付宝是淘宝唯一的在线付款方式，安全交易的手段不包含以下哪个?()
单项选择题 Whenaddingaelementtoawebapplicationdeploymentdescriptor，theinclusionofwhichsub－elementrequiresthedefinitionofanerrorpage（）？
单项选择题 满就送服务不包含以下哪种优惠方式?()
单项选择题 支付宝用以下哪种方式不能支付?()