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Which of the following is true to Wikipedia？A．More than 4,000 pages are offered for editio

Which of the following is true to Wikipedia？

A．More than 4,000 pages are offered for edition.

B．More than 2,400 Wikipedians work for the edition.

C．Everyone can do the revision on the web page.

D．The entries contribute to people's development.

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更多“Which of the following is true…”相关的问题

第1题

classA{2.publicbytefileNumber(){3.returnl;4.}5.}6.7.ClassBextendsA{8.publicshortgetNumbe

1.classA{2.publicbytefileNumber(){3.returnl;4.}5.}6.7.ClassBextendsA{8.publicshortgetNumber(){9.return2;10.}11.12.publicshortgetNumber(){13.Bb=newB();14.System.out.printIn(b.getNumber());15.}16.}Whatistheresult（）?

A.Compilationsucceedsandlisprinted.

B.Compilationsucceedsand2printed.

C.Anerroratline8causecompilationtofail.

D.Anerroratline14causecomplicationtofail.

E.Complicationsucceedsbutanexceptionisthrownatline14.

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第2题

Whichstatementistrueaboutwebcontainersessionmanagement?()

A.Accesstosession-scopedattributesisguaranteedtobethread-safebythewebcontainer.

B.ToactivateURLrewriting，thedevelopermustusetheHttpServletResponse.setURLRewritingmethod.

C.IfthewebapplicationusesHTTPS，thenthewebcontainermayusethedataontheHTTPSrequest streamtoidentifytheclient.

D.TheJSESSIONIDcookieisstoredpermanentlyontheclientsothatausermayreturntotheweb applicationandthewebcontainerwillrejointhatsession.

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第3题

classA{3.publicStringtoString(){4.return4”;5.}6.}7.classBextendsA{8.publicStringtoString

1.classA{3.publicStringtoString（）{4.return4”；5.}6.}7.classBextendsA{8.publicStringtoString（）{9.returnsuper.toString（）+3”；10.}11.}12.publicclassTest{13.publicstaticvoidmain（String[]args）{14.System.out.printIn（newB（））；15.}16.}Whatistheresult()？

A.Compilationsucceedsand4isprinted.

B.Compilation……………isprinted.

C.Anerroronline9causecompilationtofail.

D.Anerroronline14causecompilationtofail.

E.Compilationsucceedsbutanexceptionisthrownatline9.

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第4题

Given:1.publicclassMethodOver{2.publicvoidsetVar(inta,intb,floatc){3.}4.}WhichtwooverloadthesetVarmethod()?

A.privatevoidsetVar（inta，floatc，intb）{}

B.protectedvoidsetVar（inta，intb，floatc）{}

C.publicintsetVar（inta，floatc，intb）{returna：}

D.publicintsetVar（inta，intb，floatc）{returna：}

E.protectedfloatsetVar（inta，intb，floatc）{returnc：}

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第5题

Yourwebapplicationrequirestheaddinganddeletingofmanysessionattributesduringacomplexusecase

.AbugreporthascomeinthatindicatesthatanimportantsessionattributeisbeingdeletedtoosoonandaNullPointerExceptionisbeingthrownseveralinteractionsafterthefact.Youhavedecidedtocreateasessioneventlistenerthatwilllogwhenattributesarebeingdeletedsoyoucantrackdownwhentheattributeiserroneouslybeingdeleted.Whichlistenerclasswillaccomplishthisdebugginggoal？（）

A.CreateanHttpSessionAttributeListenerclassandimplementtheattributeDeletedmethodandlogthe attributenameusingthegetNamemethodontheeventobject.

B.CreateanHttpSessionAttributeListenerclassandimplementtheattributeRemovedmethodandlogthe attributenameusingthegetNamemethodontheeventobject.

C.CreateanSessionAttributeListenerclassandimplementtheattributeRemovedmethodandlogthe attributenameusingthegetAttributeNamemethodontheeventobject.

D.CreateanSessionAttributeListenerclassandimplementtheattributeDeletedmethodandlogthe attributenameusingthegetAttributeNamemethodontheeventobject.

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第6题

YouneedtostoreaJavalongprimitiveattribute,calledcustomerOID,intothesessionscope.Whichtwo codesnippetsallowyoutoinsertthisvalueintothesession?()

A.longcustomerOID=47L；session.setAttribute（"customerOID"，newLong（customerOID））；

B.longcustomerOID=47L；session.setLongAttribute（"customerOID"，newLong（customerOID））；

C.longcustomerOID=47L；session.setAttribute（"customerOID"，customerOID）；

D.longcustomerOID=47L；session.setNumericAttribute（"customerOID"，newLong（customerOID））；

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第7题

GiventhedefinitionofMyServlet:11.publicclassMyServletextendsHttpServlet{12.publicvoidservi

GiventhedefinitionofMyServlet：11.publicclassMyServletextendsHttpServlet{12.publicvoidservice（HttpServletRequestrequest，13.HttpServletResponseresponse）14.throwsServletException，IOException{15.HttpSessionsession=request.getSession（）；16.session.setAttribute（"myAttribute"，"myAttributeValue"）；17.session.invalidate（）；18.response.getWriter（）.println（"value="+19.session.getAttribute（"myAttribute"））；20.}21.}WhatistheresultwhenarequestissenttoMyServlet？（）

A.AnIllegalStateExceptionisthrownatruntime.

B.AnInvalidSessionExceptionisthrownatruntime.

C.Thestring"value=null"appearsintheresponsestream.

D.Thestring"value=myAttributeValue"appearsintheresponsestream.

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第8题

Adeveloperwantstomakeanameattributeavailabletoallservletsassociatedwithaparticularuser,acr

Adeveloperwantstomakeanameattributeavailabletoallservletsassociatedwithaparticularuser，acrossmultiplerequestsfromthatuser，fromthesamebrowserinstance.Whichtwoprovidethiscapability fromwithinataghandler？（）

A.pageContext.setAttribute（"name"，theValue）

B.pageContext.setAttribute（"name"，getSession（））

C.pageContext.getRequest（）.setAttribute（"name"，theValue）

D.pageContext.getSession（）.setAttribute（"name"，theValue）

E.pageContext.setAttribute（"name"，theValue，PageContext.PAGE_SCOPE）

F.pageContext.setAttribute（"name"，theValue，PageContext.SESSION_SCOPE）

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第9题

ClicktheExhibitbutton.TheresourcerequestedbytheRequestDispatcherisavailableandimplementedbytheDestination Servlet.Whatistheresult?()