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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
更多 “ 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. ” 相关考题
考题
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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publicclassTest{2.publicstaticvoidmain(Stringargs[]){3.classFoo{4.publicinti=3;5.}6.Objecto=(Object)newFoo();7.Foofoo=(Foo)o;8.System.out.printIn(foo.i);9.}10.}Whatistheresult?()
A.Compilationwillfail.B.Compilationwillsucceedandtheprogramwillprint“3”C.CompilationwillsucceedbuttheprogramwillthrowaClassCastExceptionatline6.D.CompilationwillsucceedbuttheprogramwillthrowaClassCastExceptionatline7.
考题
publicclassTest{publicstaticvoidadd3（Integeri）{intval=i.intValue（）；val+=3；i=newInteger（val）；}publicstaticvoidmain（Stringargs[]）{Integeri=newInteger（0）；add3（i）；System.out.println（i.intValue（））；}}Whatistheresult？（）A.0B.3C.Compilationfails.D.Anexceptionisthrownatruntime.
考题
classSuper{publicinti=0；publicSuper（Stringtext）{i=1；}}publicclassSubextendsSuper{publicSub（Stringtext）{i=2；}publicstaticvoidmain（Stringargs[]）{Subsub=newSub（Hello”）；System.out.println（sub.i）；}}Whatistheresult？（）A.0B.1C.2D.Compilationfails.
考题
publicclassTest{publicintaMethod(){staticinti=0;i＋＋;returni;}publicstaticvoidmain(Stringargs[]){Testtest=newTest();test.aMethod();intj=test.aMethod();System.out.println(j);}}Whatistheresult?()
A.0B.1C.2D.Compilationfails.
考题
publicclassTest{publicstaticvoidaMethod（）throwsException{try{thrownewException（）；}finally{System.out.println（finally”）；}}publicstaticvoidmain（Stringargs[]）{try{aMethod（）；}catch（Exceptione）{System.out.println（exception”）；}System.out.println（finished”）；}}Whatistheresult？（）A.finallyB.exceptionfinishedC.finallyexceptionfinishedD.Compilationfails.
考题
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”
考题
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.
考题
下面代码的运行结果是 public class Test{ public static void main(String args[]){ for(int i=0； i＜3；i++){ if(i＜2) continue； System.out.println(i)； } } }A．0B．1C．2D．3
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