在中国______提出了“以美育代替宗教”的主张。A．鲁迅B．胡适C．毛泽东D．蔡元培

Whatwillbewrittentothestandardoutputwhenthefollowingprogramisrun？（）publicclassQ03e4{publicstaticvoidmain（Stringargs[]）{Stringspace=""；Stringcomposite=space+"hello"+space+space；composite.concat（"world"）；Stringtrimmed=composite.trim（）；System.out.println（trimmed.length（））；}}

A.5

B.6

C.7

D.12

E.13

A.Vectorfilelist=（（Directory）file）.getList（）；

B.String[]filelist=file.directory（）；

C.Enumerationfilelist=file.contents（）；

D.String[]filelist=file.list（）；

E.Vectorfilelist=（newDirectory（file））.files（）；

Giventhefollowingcode,writealineofcodethat,wheninsertedattheindicatedlocation,willmaketheoverridingmethodinExtensioninvoketheoverriddenmethodinclassBaseonthecurrentobject.

classBase{

publicvoidprint(){

System.out.println("base");

}

}

classExtentionextendsBase{

publicvoidprint(){

System.out.println("extension");

//insertlineofimplementationhere

}

}

publicclassQ294d{

publicstaticvoidmain(Stringargs[]){

Extentionext=newExtention();

ext.print();

}

}

Fillinasinglelineofimplementation.（）

A.FileOutputStreamhasnoconstructorsmatchingthegivenarguments.

B.AnIOExeceptionwillbethrownifafilenamed"data"alreadyexists.

C.AnIOExeceptionwillbethrownifafilenamed"data"doesnotalreadyexist.

D.Ifafilenamed"data"exists，itscontentswillberesetandoverwritten.

E.Ifafilenamed"data"exists，outputwillbeappendedtoitscurrentcontents.

A.Atmostonelistenerofeachtypecanberegisteredwithacomponent.

B.MousemotionlistenerscanberegisteredonaListinstance.

C.ThereexistsaclassnamedContainerEventinpackagejava.awt.event.

D.ThereexistsaclassnamedMouseMotionEventinpackagejava.awt.event.

E.ThereexistsaclassnamedActionAdapterinpackagejava.awt.event.

A.Nothingappearsintheapplet.

B.Abuttonwillcoverthewholeareaoftheapplet.

C.Abuttonwillappearinthetopleftcorneroftheapplet.

D.Abuttonwillappear，centeredinthetopregionoftheapplet.

E.Abuttonwillappearinthecenteroftheapplet.

A.private

B.final

C.static

D.int

E.abstract

A.Allswitchstatementsmusthaveadefaultlabel.

B.Theremustbeexactlyonelabelforeachcodesegmentinaswitchstatement.

C.Thekeywordcontinuecanneveroccurwithinthebodyofaswitchstatement.

D.Nocaselabelmayfollowadefaultlabelwithinasingleswitchstatement.

E.Acharacterliteralcanbeusedasavalueforacaselabel.

Whatwillbetheresultofattemptingtocompileandrunthefollowingcode？（）publicclassQ6b0c{publicstaticvoidmain（Stringargs[]）{inti=4；floatf=4.3；doubled=1.8；intc=0；if（i==f）c++；if（（（int）（f+d））==（（int）f+（int）d））c+=2；System.out.println（c）；}}

A.Thecodewillfailtocompile.

B.0willbewrittentothestandardoutput.

C.1willbewrittentothestandardoutput.

D.2willbewrittentothestandardoutput.

E.3willbewrittentothestandardoutput.

A.Membervariablesoftheouterinstancearealwaysaccessibletoinnerinstances，regardlessoftheiraccessibilitymodifiers.

B.Membervariablesoftheouterinstancecanneverbereferredtousingonlythevariablenamewithin theinnerinstance.

C.Morethanoneinnerinstancecanbeassociatedwiththesameouterinstance.

D.Allvariablesfromtheouterinstancethatshouldbeaccessibleintheinnerinstancemustbedeclared final.

E.Aclassthatisdeclaredfinalcannothaveanyinnerclasses.