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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
更多 “ 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” ” 相关考题
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Stringfoo=blue”;Boolean[]bar=newBoolean[1];if(bar[0]){foo=green”;}Whatistheresult?()
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publicclassTest{publicstaticvoidmain（String[]args）{Stringfoo=args[1]；Stringbar=args[2]；Stringbaz=args[3]；System.out.printIn（baz=”+baz）；}}Andtheoutput：Baz=2Whichcommandlineinvocationwillproducetheoutput？（）A.JavaTest2222B.JavaTest1234C.JavaTest4242D.JavaTest4321
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publicclasstest(publicstaticvoidmain(string[]args){stringfoo=args[1];stringfoo=args[2];stringfoo=args[3];})Andcommandlineinvocation:JavaTestredgreenblueWhatistheresult?()
A.Bazhasthevalueof“”B.BazhasthevalueofnullC.Bazhasthevalueof“red”D.Bazhasthevalueof“blue”E.Baxhasthevalueof“green”F.Theprogramthrowsanexception.
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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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A.Compilationwillfail.B.Compilationwillsucceedandtheprogramwillprint“3”C.CompilationwillsucceedbuttheprogramwillthrowaClassCastExceptionatline6.D.CompilationwillsucceedbuttheprogramwillthrowaClassCastExceptionatline7.
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Stringfoo=blue”;Booleanbar=newBoolean[1];if(bar[0]){foo=green”;}Whatistheresult?()
A.Foohasthevalueof“”B.Foohasthevalueofnull.C.Foohasthevalueof“blue”D.Foohasthevalueof“green”E.Anexceptionisthrown.F.Thecodewillnotcompile.
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publicclassTest{publicstaticvoidmain(Stringargs){Stringfoo=args[1];Stringbar=args;Stringbaz=args;System.out.printIn(baz=”＋baz);}}Andtheoutput:Baz=2Whichcommandlineinvocationwillproducetheoutput?()
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publicclasstest(publicstaticvoidmain(stringargs){stringfoo=args[1];stringfoo=args;stringfoo=args;})Andcommandlineinvocation:JavaTestredgreenblueWhatistheresult?()
A.Bazhasthevalueof“”B.BazhasthevalueofnullC.Bazhasthevalueof“red”D.Bazhasthevalueof“blue”E.Baxhasthevalueof“green”F.Theprogramthrowsanexception.
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