publicclassSwitchTest{publicstaticvoidmain（Stringargs）{System.out.PrintIn（value=”+switchIt（4））；}publicstaticintswitchIt（intx）{intj=1；switch（x）{case1：j++；case2：j++；case3：j++；case4：j++；case5：j++；default：j++；}returnj+x；}}Whatistheoutputfromline3？（）A.Value=3B

题目

publicclassSwitchTest{publicstaticvoidmain（Stringargs）{System.out.PrintIn（value=”+switchIt（4））；}publicstaticintswitchIt（intx）{intj=1；switch（x）{case1：j++；case2：j++；case3：j++；case4：j++；case5：j++；default：j++；}returnj+x；}}Whatistheoutputfromline3？（）

A.Value=3

B.Value=4

C.Value=5

D.Value=6

E.Value=7

F.Value=8

相似考题

1.1.publicclassSwitchTest{2.publicstaticvoidmain（String[]args）{3.System.out.PrintIn（value=”+switchIt（4））；4.}5.publicstaticintswitchIt（intx）{6.intj=1；7.switch（x）{8.case1：j++；9.case2：j++；10.case3：j++；11.case4：j++；12.case5：j++；13.default：j++；14.}15.returnj+x；16.}17.}Whatistheoutputfromline3？（）A.Value=3B.Value=4C.Value=5D.Value=6E.Value=7F.Value=8

2.publicclassSwitchTest{publicstaticvoidmain（String[]args）{System.out.println（value=+switchIt（4））；}publicstaticintswitchIt（intx）{intj=1；switch（x）{case1：j++；case2：j++；case3：j++；case4：j++；case5：j++；default：j++；}returnj+x；}}Whatistheresult？（）A.value=3B.value=4C.value=5D.value=6E.value=7F.value=8

3.publicclassTest{publicstaticvoidmain(Stringargs){stringfoo=blue”;stringbar=foo;foo=green”;System.out.printIn(bar);}}Whatistheresult?()A.Anexceptionisthrown.B.Thecodewillnotcompile.C.Theprogramprints“null”D.Theprogramprints“blue”E.Theprogramprints“green”

4.publicclassTest{publicstaticvoidleftshift(inti,intj){i<<=j;}publicstaticvoidmain(Stringargs[]){inti=4,j=2;leftshift(i,j);System.out.printIn(i);}}Whatistheresult?()A.2B.4C.8D.16E.Thecodewillnotcompile.

参考答案和解析
参考答案：F
更多“publicclassSwitchTest{publicstaticvoidmain(Stringargs){System.out.PrintIn(value=”＋switchIt ”相关问题

  • 第1题：

    publicclassFooimplementsRunnable(publicvoidrun(Threadt){system.out.printIn(Running.”);}publicstaticvoidmain(Stringargs){newthread(newFoo()).start();})Whatistheresult?()

    A.Anexceptionisthrown.

    B.Theprogramexistswithoutprintinganything.

    C.Anerroratline1causescompilationtofail.

    D.Anerroratline6causesthecompilationtofail.

    E.“Running”isprintedandtheprogramexits.


    参考答案：C

  • 第2题：

    importjava.io.IOException；publicclassExceptionTest（publicstaticvoidmain（Stringargs）try（methodA（）；）catch（IOExceptione）（system.out.printIn（CaughtIOException”）；）catch（Exceptione）（system.out.printIn（CaughtException”）；））publicvoidmethodA（）{thrownewIOException（）；}Whatistheresult？（）

    A.Thecodewillnotcompile.

    B.Theoutputiscaughtexception.

    C.TheoutputiscaughtIOException.

    D.Theprogramexecutesnormallywithoutprintingamessage.


    参考答案：A

  • 第3题：

    publicclassfoo{publicstaticvoidmain(Stringargs){Strings;system.out.printIn(s=”＋s);}}Whatistheresult?()

    A.Thecodecompilesand“s=”isprinted.

    B.Thecodecompilesand“s=null”isprinted.

    C.Thecodedoesnotcompilebecausestringsisnotinitialized.

    D.Thecodedoesnotcompilebecausestringscannotbereferenced.

    E.Thecodecompiles，butaNullPointerExceptionisthrownwhentoStringiscalled.


    参考答案：C

  • 第4题：

    publicclassTest{publicstaticvoidleftshift(inti,intj){i<<=j;}publicstaticvoidmain(Stringargs){inti=4,j=2;leftshift(i,j);System.out.printIn(i);}}Whatistheresult?()

    A.2

    B.4

    C.8

    D.16

    E.Thecodewillnotcompile.


    参考答案：B

  • 第5题：

    publicclassfoo{publicstaticvoidmain(stringargs)try{return;}finally{system.out.printIn(Finally”);}}Whatistheresult?()

    A.Theprogramrunsandprintsnothing.

    B.Theprogramrunsandprints“Finally”

    C.Thecodecompiles，butanexceptionisthrownatruntime.

    D.Thecodewillnotcompilebecausethecatchblockismissing.


    参考答案：B

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