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.WriteHelloB.RubberWriteHelloC.编译错误D.运行时抛出异常

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


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