publicclassDelta{staticbooleanfoo(charc){System.out.print(c);returntrue;}publicstaticvoidmain(String[]argv){inti=0;for(foo(‘A’);foo(‘B’)(i2);foo(‘C’)){i＋＋;foo(‘D’);}}}Whatistheresult?() A.ABDCBDCBB.ABCDABCDC.Compilationfails.D.Anexceptionisthrownatruntime.
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.
相关考题：
GiventheJSPcode：%request.setAttribute（foo，bar）；%andtheClassictaghandlercode：5.publicintdoStartTag（）throwsJspException{6.//insertcodehere7.//returnint8.}Assumetherearenootherfooattributesinthewebapplication.WhichinvocationonthepageContextobject，insertedatline6，assignsbartothevariablex？（）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）
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？（）
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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.
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”
intindex=1;int[]foo=newint[3];intbar=foo[index];intbaz=bar＋index;Whatistheresult?() A.Bazhasthevalueof0B.Bazhasthevalueof1C.Bazhasthevalueof2D.Anexceptionisthrown.E.Thecodewillnotcompile.
publicclassTest{publicstaticvoidmain(Stringargs[]){classFoo{publicinti=3;}Objecto=(Object)newFoo();Foofoo=(Foo)o;System.out.println(i=＋foo.i);}}Whatistheresult?() A.i=3B.Compilationfails.C.AClassCastExceptionisthrownatline6.D.AClassCastExceptionisthrownatline7.
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”
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