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GiventheHttpServletcode:getServletContext().setAttribute(“foo”,“value”);Whatistheresult?()
A.Theattributefooisplacedintheapplication
B.AServletContextListenerregisteredforthatservletisnotified
C.AServletAttributeListenerregisteredforthatservletisnotified
D.AnHttpSessionAttributeListenerregisteredforthatservletisnotified
参考答案
更多 “ GiventheHttpServletcode:getServletContext().setAttribute(“foo”,“value”);Whatistheresult?() A.TheattributefooisplacedintheapplicationB.AServletContextListenerregisteredforthatservletisnotifiedC.AServletAttributeListenerregisteredforthatservletisnotifiedD.AnHttpSessionAttributeListenerregisteredforthatservletisnotified ” 相关考题
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Given：Stringvalue=getServletContext（）.getInitParameter（foo）；inanHttpServletandawebapplicationdeploymentdescriptorthatcontains：context-paramparam-namefoo/param-nameparam-valuefrodo/param-value/context-paramWhichtwoaretrue？（）A.ThefooinitializationparameterCANNOTbesetprogrammatically.B.CompilationfailsbecausegetInitParameterreturnstypeObject.C.ThefooinitializationparameterisNOTaservletinitializationparameter.D.CompilationfailsbecauseServletContextdoesNOThaveagetInitParametermethod.E.Thefooparametermustbedefinedwithintheelementofthedeploymentdescriptor.
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ClicktheExhibitbutton.Given：11.%com.example.Advisoradvisor=newcom.example.Advisor（）；%12.%request.setAttribute（foo，advisor）；%Assumingtherearenootherfooattributesinthewebapplication，whichthreearevalidELexpressionsforretrievingtheadvicepropertyofadvisor？（）A.${foo.advice}B.${request.foo.advice}C.${requestScope.foo.advice}D.${requestScope[foo[advice]]}E.${requestScope[foo][advice]}
考题
Given:6.%int[]nums={42,420,4200};7.request.setAttribute(foo,nums);%Whichtwosuccessfullytranslateandresultinavalueoftrue?()
A.${trueorfalse}B.${requestScope[foo][0]500}C.${requestScope[’foo’][1]=420}D.${（requestScope[’foo’][0]lt50）（3gt2）}
考题
Given:1.%int[]nums={42,420,4200};2.request.setAttribute(foo,nums);%3.${5＋3lt6}4.${requestScope[’foo’][0]ne10div0}5.${10div0}Whatistheresult?()
A.TruetrueB.FalsetrueC.Falsetrue0D.TruetrueInfinityE.FalsetrueInfinity
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GiventheJSPcode：%request.setAttribute（foo，bar）；%andtheClassictaghandlercode：5.publicintdoStartTag（）throwsJspException{6.//insertcodehere7.//returnint8.}Assumetherearenootherfooattributesinthewebapplication.WhichinvocationonthepageContextobject，insertedatline6，assignsbartothevariablex？（）A.Stringx=（String）pageContext.getAttribute（foo）B.Stringx=（String）pageContext.getRequestScope（foo）C.ItisNOTpossibletoaccessthepageContextobjectfromwithindoStartTagD.Stringx=（String）pageContext.getRequest（）.getAttribute（foo）E.Stringx=（String）pageContext.getAttribute（foo，PageContext.ANY_SCOPE）
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publicclassFoo{publicinta；publicFoo（）{a=3；}publicvoidaddFive（）{a+=5；}}and：publicclassBarextendsFoo{publicinta；publicBar（）{a=8；}publicvoidaddFive（）{this.a+=5；}}invokedwith：Foofoo=newBar（）；foo.addFive（）；System.out.println（”Value：+foo.a）；Whatistheresult？（）A.Value：3B.Value：8C.Value：13D.Compilationfails.E.Thecoderunswithnooutput.F.Anexceptionisthrownatruntime.
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publicclassBase{publicstaticfinalStringFOO=foo”；publicstaticvoidmain（String[]args）{Baseb=newBase（）；Subs=newSub（）；System.out.print（Base.FOO）；System.out.print（Sub.FOO）；System.out.print（b.FOO）；System.out.print（s.FOO）；System.out.print（（（Base）s）.FOO）；}}classSubextendsBase{publicstaticfinalStringFOO=bar；}Whatistheresult？（）A.foofoofoofoofooB.foobarfoobarbarC.foobarfoofoofooD.foobarfoobarfooE.barbarbarbarbarF.foofoofoobarbarG.foofoofoobarfoo
考题
intindex=1;int[]foo=newint[3];intbar=foo[index];intbaz=bar＋index;Whatistheresult?()
A.Bazhasthevalueof0B.Bazhasthevalueof1C.Bazhasthevalueof2D.Anexceptionisthrown.E.Thecodewillnotcompile.
考题
publicclassDelta{staticbooleanfoo(charc){System.out.print(c);returntrue;}publicstaticvoidmain(String[]argv){inti=0;for(foo(‘A’);foo(‘B’)(i2);foo(‘C’)){i＋＋;foo(‘D’);}}}Whatistheresult?()
A.ABDCBDCBB.ABCDABCDC.Compilationfails.D.Anexceptionisthrownatruntime.
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