publicclassA{2.publicStringdoit(intx,inty){3.returna”;4.}5.6.publicStringdoit(int...vals){7.returnb”;8.}9.}Given:25.Aa=newA();26.System.out.println(a.doit(4,5));Whatistheresult?() A.Line26prints“a”toSystem.out.B.Line26prints?b”toSystem.out.C.Anexceptionisthrownatline26atruntime.D.CompilationofclassAwillfailduetoanerrorinline6.
publicclassA{2.publicStringdoit(intx,inty){3.returna”;4.}5.6.publicStringdoit(int...vals){7.returnb”;8.}9.}Given:25.Aa=newA();26.System.out.println(a.doit(4,5));Whatistheresult?()
A.Line26prints“a”toSystem.out.
B.Line26prints?b”toSystem.out.
C.Anexceptionisthrownatline26atruntime.
D.CompilationofclassAwillfailduetoanerrorinline6.
相关考题：
Given:1.publicclassConstOver{2.publicconstOver(intx,inty,intz){3.}4.}WhichtwooverloadtheConstOverConstructor?() A.ConstOver（）{}B.protectedintConstOver（）{}C.privateConstOver（intz，inty，bytex）{}D.publicObjectConstOver（Intx，inty，intz）{}E.pubicvoidConstOver（bytex，bytey，bytez）{}
1.classSuperFo{2.SuperFodoStuff（intx）{3.returnnewSuperFo（）4.}5.}6.7.classFooextendsSuperFo{8.//insertcodehere9.}和四个声明：FoodoStuff（intx）{returnnewFoo（）；}FoodoStuff（intx）{returnnewSuperFoo（）；}SuperFoodoStuff（intx）{returnnewfoo（）；}SuperFoodoStuff（inty）{returnnewSuperFoo（）；}分别插入到第8行，有几个可以通过编译（）A.1B.2C.3D.4E.5
1.public classA{2.public String doit（intx，inty）{3.returna；4.}5.6.public String doit（int...vals）{7.returnb；8.}9.}And：25.A a=new A（）；26.System.out.println（a.doit（4，5））；What is the result？（）A.Line 26 prints a to System.out.B.Line 26 prints b to System.out.C.An exception is thrown at line 26 at runtime.D.Compilation of class A will fail due to an error in line 6.
现有：1．classSuperFoo{2.SuperFoodoStuff（intx）{3.returnnewSuperFoo（）；4．}5.}6．7.classFooextendsSuperFoo{8．／／insertcodehere9.}和四个声明：FoodoStuff（intx）{returnnewFoo（）；}FoodoStuff（intx）{returnnewSuperFoo（）；}SuperFoodoStuff（intx）{returnnewFoo（）；}SuperFoodoStuff（inty）{returnnewSuperFoo（）；}分别插入到第8行，有几个可以通过编泽？（）
1.publicclassa{2.publicvoidmethod1（）{3.try{4.Bb=newb（）；5.b.method2（）；6.//morecodehere7.}catch（TestExceptionte）{8.thrownewRuntimeException（te）；9.}10.}11.}1.publicclassb{2.publicvoidmethod2（）throwsTestException{3.//morecodehere4.}5.}1.publicclassTestExceptionextendsException{2.}Given：31.publicvoidmethod（）{32.Aa=newa（）；33.a.method1（）；34.}WhichistrueifaTestExceptionisthrownonline3ofclassb？（）
publicclassA{2.publicvoiddoit(){3.}4.publicStringdoit(){5.returna”;6.}7.publicdoubledoit(intx){8.return1.0;9.}10.}Whatistheresult?() A.Anexceptionisthrownatruntime.B.Compilationfailsbecauseofanerrorinline7.C.Compilationfailsbecauseofanerrorinline4.D.CompilationsucceedsandnoruntimeerrorswithclassAoccur.
1.publicclassA{2.3.privateintcounter=0；4.5.publicstaticintgetInstanceCount（）{6.returncounter；7.}8.9.publicA（）{10.counter++；11.}12.13.}GiventhiscodefromClassB：25.Aa1=newA（）；26.Aa2=newA（）；27.Aa3=newA（）；28.System.out.printIn（A.getInstanceCount（））；Whatistheresult？（）A.CompilationofclassAfails.B.Line28printsthevalue3toSystem.out.C.Line28printsthevalue1toSystem.out.D.Aruntimeerroroccurswhenline25executes.E.Compilationfailsbecauseofanerroronline28.
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.
Given:Whichfivemethods,insertedindependentlyatline5,willcompile?() A.protectedintblipvert（longx）{return0；}B.protectedlongblipvert（intx）{return0；}C.privateintblipvert（longx）{return0；}D.privateintblipvert（intx）{return0；}E.publicintblipvert（intx）{return0；}F.protectedlongblipvert（longx）{return0；}G.protectedlongblipvert（intx，inty）{return0；}