publicclassDelta{staticbooleanfoo(charc){System.out.print(c);returntrue;}publicstaticvoidmain(String[]argv){inti=0;for(foo(‘A’);foo(‘B’)&&(i<2);foo(‘C’)){i＋＋;foo(‘D’);}}}Whatistheresult?()A.ABDCBDCBB.ABCDABCDC.Compilationfails.D.Anexceptionisthrownatrunti

题目
publicclassDelta{staticbooleanfoo(charc){System.out.print(c);returntrue;}publicstaticvoidmain(String[]argv){inti=0;for(foo(‘A’);foo(‘B’)&&(i<2);foo(‘C’)){i＋＋;foo(‘D’);}}}Whatistheresult?()

A.ABDCBDCB

B.ABCDABCD

C.Compilationfails.

D.Anexceptionisthrownatruntime.

相似考题

1.GiventheJSPcode：<%request.setAttribute（"foo"，"bar"）；%>andtheClassictaghandlercode：5.publicintdoStartTag（）throwsJspException{6.//insertcodehere7.//returnint8.}Assumetherearenoother"foo"attributesinthewebapplication.WhichinvocationonthepageContextobject，insertedatline6，assigns"bar"tothevariablex？（）A.Stringx=（String）pageContext.getAttribute（"foo"）B.Stringx=（String）pageContext.getRequestScope（"foo"）C.ItisNOTpossibletoaccessthepageContextobjectfromwithindoStartTagD.Stringx=（String）pageContext.getRequest（）.getAttribute（"foo"）E.Stringx=（String）pageContext.getAttribute（"foo"，PageContext.ANY_SCOPE）

2.publicclassBase{publicstaticfinalStringFOO=foo”；publicstaticvoidmain（String[]args）{Baseb=newBase（）；Subs=newSub（）；System.out.print（Base.FOO）；System.out.print（Sub.FOO）；System.out.print（b.FOO）；System.out.print（s.FOO）；System.out.print（（（Base）s）.FOO）；}}classSubextendsBase{publicstaticfinalStringFOO=bar；}Whatistheresult？（）A.foofoofoofoofooB.foobarfoobarbarC.foobarfoofoofooD.foobarfoobarfooE.barbarbarbarbarF.foofoofoobarbarG.foofoofoobarfoo

3.publicclassThreads4{publicstaticvoidmain（String[]args）{newThreads4（）.go（）；}publicvoidgo（）{Runnabler=newRunnable（）{publicvoidrun（）{System.out.print（”foo”）；}}；Threadt=newThread（r）；t.start（）；t.start（）；}}Whatistheresult？（）A.Compilationfails.B.Anexceptionisthrownatruntime.C.Thecodeexecutesnormallyandprints?foo”.D.Thecodeexecutesnormally，butnothingisprinted.

4.classFoo{privateintx；publicFoo（intx）{this.x=x；}publicvoidsetX（intx）{this.x=x；}publicintgetX（）{returnx；}}publicclassGamma{staticFoofooBar（Foofoo）{foo=newFoo（100）；returnfoo；}publicstaticvoidmain（String[]args）{Foofoo=newFoo（300）；System.out.print（foo.getX（）+-）；FoofooFoo=fooBar（foo）；System.out.print（foo.getX（）+-）；System.out.print（fooFoo.getX（）+-）；foo=fooBar（fooFoo）；System.out.print（foo.getX（）+-）；System.out.prmt（fooFoo.getX（））；}}Whatistheoutputofthisprogram？（）

更多“publicclassDelta{staticbooleanfoo(charc){System.out.print(c);returntrue;}publicstaticvoidmain(String[]argv){inti=0;for(foo(‘A’);foo(‘B’)&amp;&amp;(i&lt;2);foo(‘C’)){i＋＋;foo(‘D’);}}}Whatistheresult?() ”相关问题

  • 第1题：

    publicclassTest{publicstaticvoidmain(String[]args){stringfoo=blue”;stringbar=foo;foo=green”;System.out.printIn(bar);}}Whatistheresult?()

    A.Anexceptionisthrown.

    B.Thecodewillnotcompile.

    C.Theprogramprints“null”

    D.Theprogramprints“blue”

    E.Theprogramprints“green”


    参考答案：D

  • 第2题：

    publicclassTest{publicstaticvoidmain(Stringargs[]){classFoo{publicinti=3;}Objecto=(Object)newFoo();Foofoo=(Foo)o;System.out.println(i=＋foo.i);}}Whatistheresult?()

    A.i=3

    B.Compilationfails.

    C.AClassCastExceptionisthrownatline6.

    D.AClassCastExceptionisthrownatline7.


    参考答案：A

  • 第3题：

    publicclassTest{publicstaticvoidmain(Stringargs){classFoo{publicinti=3;}Objecto=(Object)newFoo();Foofoo=(Foo)o;System.out.printIn(foo.i);}}Whatistheresult?()

    A.Compilationwillfail.

    B.Compilationwillsucceedandtheprogramwillprint“3”

    C.CompilationwillsucceedbuttheprogramwillthrowaClassCastExceptionatline6.

    D.CompilationwillsucceedbuttheprogramwillthrowaClassCastExceptionatline7.


    参考答案：B

  • 第4题：

    intindex=1;int[]foo=newint[3];intbar=foo[index];intbaz=bar＋index;Whatistheresult?()

    A.Bazhasthevalueof0

    B.Bazhasthevalueof1

    C.Bazhasthevalueof2

    D.Anexceptionisthrown.

    E.Thecodewillnotcompile.


    参考答案：B

  • 第5题：

    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”


    参考答案：D

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