问题

现有:classPencil{publicvoidwrite(Stringcontent){System.out.println("Write"+conte

现有：classPencil{publicvoidwrite（Stringcontent）{System.out.println（"Write"+content）；}}classRubberPencilextendsPencil{publicvoidwrite（Stringcontent）{System.out.println（"RubberWrite"+content）；}publicvoiderase（Stringcontent）{System.out.println（"Erase"+content）；}}执行下列代码的结果是哪项？（）Pencilpen=newRubberPencil（）；pen.write（"Hello"）；

A、WriteHello

B、RubberWriteHello

C、编译错误

D、运行时抛出异常

参考答案

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现有:classPencil{publicvoidwrite(Stringcontent){System.out.println(&quot;Write&quot;+conte

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