Given:11.publicstaticvoidmain(String[]args){12.Objectobj=newint[]{1,2,3};13.int[]someArray=(int[])obj;14.for(inti:someArray)System.out.print(i＋"");15.}Whatistheresult?()A.Compilationfailsbecauseofanerrorinline13.B.AClassCastExceptionisthrownatruntime.C.12

题目
Given:11.publicstaticvoidmain(String[]args){12.Objectobj=newint[]{1,2,3};13.int[]someArray=(int[])obj;14.for(inti:someArray)System.out.print(i＋"");15.}Whatistheresult?()

A.Compilationfailsbecauseofanerrorinline13.

B.AClassCastExceptionisthrownatruntime.

C.123

D.Compilationfailsbecauseofanerrorinline14.

E.Compilationfailsbecauseofanerrorinline12.

相似考题

1.public static void main(String[]args){12.Object obj=new int[]{1,2,3};13.int[] someArray=(int[])obj;14.for(inti:someArray)System.out.print(i＋"")15.}What is the result?()A.123B.Compilation fails because of an error in line 12.C.Compilation fails because of an error in line 13.D.Compilation fails because of an error in line 14.E.A ClassCastException is thrown at runtime.

2.staticvoidtest（）throwsError{if（true）thrownewAssertionError（）；System.out.print（”test）；}publicstaticvoidmain（String[]args）{try{test（）；}catch（Exceptionex）{System.out.print（”exception）；}System.out.print（”elld）；}Whatistheresult？（）A.endB.Compilationfails.C.exceptionendD.exceptiontestendE.AThrowableisthrownbymain.F.AnExceptionisthrownbymain.

3.publicstaticIteratorreverse（Listlist）{Collections.reverse（list）；returnlist.iterator（）；}publicstaticvoidmain（String[]args）{Listlist=newArrayList（）；list.add（”1”）；list.add（”2”）；list.add（”3”）；for（Objectobj：reverse（list））System.out.print（obj+，”）；}Whatistheresult？（）A.3，2，1，B.1，2，3，C.Compilationfails.D.Thecoderunswithnooutput.E.Anexceptionisthrownatruntime.

4.staticvoidtest（）throwsRuntimeException{try{System.out.print（”test）；thrownewRuntimeException（）；}catch（Exceptionex）{System.out.print（”exception）；}}publicstaticvoidmain（String[]args）{try{test（）；}catch（RuntimeExceptionex）{System.out.print（”runtime）；}System.out.print（”end）；}Whatistheresult？（）A.testendB.Compilationfails.C.testruntimeendD.testexceptionendE.AThrowableisthrownbymainatruntime.

参考答案和解析
参考答案：C
更多“Given:11.publicstaticvoidmain(String[]args){12.Objectobj=newint[]{1,2,3};13.int[]someArray=(int[])obj;14.for(inti:someArray)System.out.print(i＋"");15.}Whatistheresult?() ”相关问题

  • 第1题：

    publicstaticvoidmain(String[]args){12.Objectobj=newObject(){13.publicinthashCode(){14.returns42;15.}16.};17.System.out.println(obj.hashCode());18.}Whatistheresult?()

    A.42

    B.Anexceptionisthrownatruntime.

    C.Compilationfailsbecauseofanerroronline12.

    D.Compilationfailsbecauseofanerroronline16.

    E.Compilationfailsbecauseofanerroronline17.


    参考答案：A

  • 第2题：

    publicclassX{publicstaticvoidmain（String[]args）{try{badMethod（）；System.out.print（A”）；}catch（Exceptionex）{System.out.print（B”）；}finally{System.out.print（C”）；}System.out.print（D”）；}publicstaticvoidbadMethod（）{thrownewRuntimeException（）；}}Whatistheresult？（）

    A.AB

    B.BC

    C.ABC

    D.BCD

    E.Compilationfails.


    参考答案：D

  • 第3题：

    classBase{Base(){System.out.print(Base”);}}publicclassAlphaextendsBase{publicstaticvoidmain(String[]args){newAlpha();newBase();}}Whatistheresult?()

    A.Base

    B.BaseBase

    C.Compilationfails.

    D.Thecoderunswithnooutput.

    E.Anexceptionisthrownatruntime.


    参考答案：B

  • 第4题：

    publicclassX{publicstaticvoidmain（String[]args）{try{badMethod（）；System.out.print（A”）；}catch（Exceptionex）{System.out.print（C”）；}finally{System.out.print（B”）；}System.out.print（D”）；}publicstaticvoidbadMethod（）{thrownewError（）；}}Whatistheresult？（）

    A.ABCD

    B.Compilationfails.

    C.Cisprintedbeforeexitingwithanerrormessage.

    D.BCisprintedbeforeexitingwithanerrormessage.

    E.BCDisprintedbeforeexitingwithanerrormessage.


    参考答案：B
    Thecorrectansweris:Bisprintedandthenanerrormessageisprinted.TheexceptioncatchcannotcatchanErrorbecausethisclassdoesnotextendExceptionbutitimplementsthrowable.

  • 第5题：

    publicclassX{publicstaticvoidmain（String[]args）{try{badMethod（）；System.out.print（A”）；}catch（Exceptionex）{System.out.print（B”）；}finally{System.out.print（C”）；}System.out.print（D”）；}publicstaticvoidbadMethod（）{}}Whatistheresult？（）

    A.AC

    B.BD

    C.ACD

    D.ABCD

    E.Compilationfails.


    参考答案：C

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