interfaceTestA{StringtoString();}2.publicclassTest{3.publicstaticvoidmain(String[]args){4.System.out.println(newTestA(){5.publicStringtoString(){returntest”;}6.}7.}8.}Whatistheresult?() A.testB.nullC.Anexceptionisthrownatruntime.D.Compilationfailsbecauseofanerrorinline1.E.Compilationfailsbecauseofanerrorinline4.F.Compilationfailsbecauseofanerrorinline5.
interfaceTestA{StringtoString();}2.publicclassTest{3.publicstaticvoidmain(String[]args){4.System.out.println(newTestA(){5.publicStringtoString(){returntest”;}6.}7.}8.}Whatistheresult?()
A.test
B.null
C.Anexceptionisthrownatruntime.
D.Compilationfailsbecauseofanerrorinline1.
E.Compilationfailsbecauseofanerrorinline4.
F.Compilationfailsbecauseofanerrorinline5.
相关考题：
Given1.publicclassFoo{2.publicstaticvoidmain(String[]args)}3.try{return;}4.finally{Syste.out.printIn(Finally”);}5.}6.}Whatistheresult()? A.Theprogramrunsandprintsnothing.B.Theprogramrunsandprints“Finally”.C.Thecodecomiles.Butanexceptionisthrownatruntime.D.Thecodewillnotcompilebecausethecatchblockismissing.
importjava.util.*;2.publicclassTest{3.publicstaticvoidmain(String[]args){4.Liststrings=newArrayList();5.／／insertcodehere6.}7.}Whichfour,insertedatline5,willallowcompilationtosucceed?() A.Strings=strings.get（0）；B.Iteratori1=strings.iterator（）；C.String[]array1=strings.toArray（）；D.Iteratori2=strings.iterator（）；E.String[]array2=strings.toArray（newString[1]）；F.Iteratori3=strings.iterator（）；
publicstaticvoidmain（String[]args）{try{args=null；args[0]=test”；System.out.println（args[0]）；}catch（Exceptionex）{System.out.println（”Exception”）；}catch（NullPointerExceptionnpe）{System.out.println（”NullPointerException”）；}}Whatistheresult？（）A.testB.ExceptionC.Compilationfails.D.NullPointerException
1.publicclassGoTest{2.publicstaticvoidmain（String[]args）{3.Sentea=newSente（）；a.go（）；4.Gobanb=newGoban（）；b.go（）；5.Stonec=newStone（）；c.go（）；6.}7.}8.9.classSenteimplementsGo{10.publicvoidgo（）{System.out.println（”goinSente.”）；}11.}12.13.classGobanextendsSente{14.publicvoidgo（）{System.out.println（”goinGoban”）；}15.}16.17.classStoneextendsGobanimplementsGo{}18.19.interfaceGo{publicvoidgo（）；}Whatistheresult？（）
publicclassFooimplementsRunnable(3.publicvoidrun(Threadt){4.system.out.printIn(Running.”);5.}6.publicstaticvoidmain(String[]args){7.newthread(newFoo()).start();8.)9.)Whatistheresult?() A.Anexceptionisthrown.B.Theprogramexistswithoutprintinganything.C.Anerroratline1causescompilationtofail.D.Anerroratline6causesthecompilationtofail.E.“Running”isprintedandtheprogramexits.
publicclassArrayTest{2.publicstaticvoidmain(String[]args){3.floatf1[],f2[];4.f1=newfloat[10];5.f2=f1;6.System.out.printIn(f2[0]=”＋f2[0]);7.}8.}Whatistheresult?() A.Itprintsf2[0]=0.0B.Itprintsf2[0]=NaNC.Anerroratline5causescompiletofail.D.Anerroratline6causescompiletofail.E.Anerroratline6causesanexceptionatruntime.
publicclassTest{publicstaticvoidmain(String[]args){Stringstr=NULL;System.out.println(str);}}Whatistheresult?() A.NULLB.Compilationfails.C.Thecoderunswithnooutput.D.Anexceptionisthrownatruntime.
publicclassA{2.voidA(){3.System.out.println(ClassA”);4.}5.publicstaticvoidmain(String[]args){6.newA();7.}8.}Whatistheresult?() A.ClassAB.Compilationfails.C.Anexceptionisthrownatline2.D.Anexceptionisthrownatline6.E.Thecodeexecuteswithnooutput.
publicclassFoo{publicstaticvoidmain(String[]args){try{return;}finally{System.out.println(Finally”);}}}Whatistheresult?() A.FinallyB.Compilationfails.C.Thecoderunswithnooutput.D.Anexceptionisthrownatruntime.