题目内容
(请给出正确答案)
[单选题]
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
答案
查看答案