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

A.WriteHello B.RubberWriteHello C.编译失败 D.运行时抛出异常

时间:2024-01-16 12:41:01

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