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Assumethecustomtagmy：errorPronealwaysthrowsajava.lang.RuntimeExceptionwiththemessage"

Filenotfound."AnerrorpagehasbeenconfiguredforthisJSPpage.Whichoptionpreventstheexceptionthrownbymy：errorPronefrominvokingtheerrorpagemechanism，andoutputsthemessage"Filenotfound"intheresponse？（）

A.＜c：trycatch="ex"＞＜my：errorProne/＞＜/c：try＞${ex.message}

B.＜c：catchvar="ex"＞＜my：errorProne/＞＜/c：catch＞${ex.message}

C.＜c：try＞.＜my：errorProne/＞.＜/c：try＞.＜c：catchvar="ex"/＞.${ex.message}

D.＜c：try＞.＜my：errorProne/＞.＜c：catchvar="ex"/＞.${ex.message}.＜/c：try＞

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更多“Assumethecustomtagmy：errorPron…”相关的问题

第1题

AJSPpagecontainsataglibdirectivewhoseuriattributehasthevaluedbtags.WhichXMLelementwithinthewebapplicationdeploymentdescriptordefinestheassociatedTLD？（）

A.<tld><uri>dbtags</uri><location>/WEB-INF/tlds/dbtags.tld</location></tld>

B.<taglib><uri>dbtags</uri><location>/WEB-INF/tlds/dbtags.tld</location>.</taglib>

C.<tld>.<tld-uri>dbtags</tld-uri>.<tld-location>/WEB-INF/tlds/dbtags.tld</tld-location>.</tld>

D.<taglib><taglib-uri>dbtags</taglib-uri><taglib-location>/WEB-INF/tlds/dbtags.tld.</taglib-location>.</taglib>

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第2题

ClicktheExhibitbutton.Assumingthetaglibraryintheexhibitisimportedwiththeprefixstock，whichcustomtaginvocationoutputsthecontentsofthevariableexposedbythequotetag？（）

A.<；stock：quote&ensp；symbol="；SUNW"；&ensp；/>；${var}

B.${var}.&ensp；<；stock：quote&ensp；symbol="；SUNW"；&ensp；/>；

C.<；stock：quote&ensp；symbol="；SUNW"；>；.&ensp；${var}.&ensp；<；/stock：quote>；

D.<；stock：quote&ensp；symbol="；SUNW"；&ensp；var="；quote"；&ensp；/>；${quote}

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第3题

WhichtwoaretrueabouttheJSTLcoreiterationcustomtags？（）

A.Itmayiterateoverarrays，collections，maps，andstrings.

B.ThebodyofthetagmaycontainELcode，butnotscriptingcode.

C.Whenloopingovercollections，aloopstatusobjectmaybeusedinthetagbody.

D.Itmayiterateoveramap，butonlythekeyofthemappingmaybeusedinthetagbody.

E.Whenloopingoverintegers（forexamplebegin=’1’end=’10’），aloopstatusobjectmaynotbeusedinthetagbody.

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第4题

AssumeaJavaBeancom.example.GradedTestBeanexistsandhas&

AssumeaJavaBeancom.example.GradedTestBeanexistsandhastwoattributes.Theattributenameisoftypejava.lang.Stringandtheattributescoreisoftypejava.lang.Integer.Anarrayofcom.example.

GradedTestBeanobjectsisexposedtothepageinarequest-scopedattributecalledresults.Additionally，anemptyjava.util.HashMapcalledresultMapisplacedinthepagescope.AJSPpageneedstoaddthefirstentryinresultstoresultMap，storingthenameattributeofthebeanasthekeyandthescoreattributeofthebeanasthevalue.

WhichcodesnippetofJSTLcodesatisfiesthisrequirement？（）

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第5题

Awebapplicationcontainsatagfilecalledbeta.tagin/WEB-INF/tags/alpha.AJSPpagecalledsort.jspe

xistsinthewebapplicationandcontainsonlythisJSPcode：1.<%@taglibprefix="x"2.tagdir="/WEB-INF/tags/alpha"%>3.<x：beta/>Thesort.jsppageisrequested.Whichtwoaretrue？（）

A.Tagfilescanonlybeaccessedusingatagdirattribute.

B.Thesort.jsppagetranslatessuccessfullyandinvokesthetagdefinedbybeta.tag.

C.Thesort.jsppageproducesatranslationerrorbecauseataglibdirectivemustalwayshaveauriattribute.

D.Tagfilescanonlybeplacedin/WEB-INF/tags，andNOTinanysubdirectoriesof/WEB-INF/tags.

E.Thetagdirattributeinline2canbereplacedbyauriattributeifaTLDreferringtobeta.tagiscreatedandaddedtothewebapplication.

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第6题

Given：8.intindex=1：9.Boolean[]test=newboolcan[3]；10.boolcanfoo=test[index]；Whatistheresult（）？

A.foohasthevalueof0.

B.foohasthevalueofnull.

C.foohasthevalueoftrue.

D.foohasthevalueoffalse.

E.An-exceptionisthrown.

F.Thecodewillnotcompile.

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第7题

Whatisthepurposeofsessionmanagement？（）

A.Tomanagetheuser’sloginandlogoutactivities.

B.Tostoreinformationontheclient-sidebetweenHTTPrequests.

C.Tostoreinformationontheserver-sidebetweenHTTPrequests.

D.TotellthewebcontainertokeeptheHTTPconnectionalivesoitcanmakesubsequentrequestswithoutthedelayofmakingtheTCPconnection.

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第8题

Inyourwebapplication，youneedtoexecuteablockofcodewheneverthesessionobjectisfirstcreated.Whichdesignwillaccomplishthisgoal？（）

A.CreateanHttpSessionListenerclassandimplementthesessionInitializedmethodwiththatblockofcode.

B.CreateanHttpSessionActivationListenerclassandimplementthesessionCreatedmethodwiththatblockofcode.

C.CreateaFilterclass，callthegetSession（false）method，andiftheresultwasnull，thenexecutethat blockofcode.

D.CreateanHttpSessionListenerclassandimplementthesessionCreatedmethodwiththatblockofcode.

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第9题

WhichthreearevalidURLmappingstoaservletinawebdeploymentdescriptor？（）

A.*/*

B./*.do

C.myServlet

D./Myservlet

E./MyServlet/*

F.MyServlet/*.isp

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第10题

Whichinterfacemustaclassimplementsothatinstancesoftheclassarenotifiedafteranyobjectisaddedtoasession？（）

A.javax.servlet.http.HttpSessionListener

B.javax.servlet.http.HttpSessionValueListener

C.javax.servlet.http.HttpSessionBindingListener

D.javax.servlet.http.HttpSessionAttributeListener

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