classGuy{Stringgreet(){returnhi}}classCowboyextendsGuy{Stringgreet(){returnhowdy”}}classSurferextendsGuy{Stringgreet(){returndudel”}}classGreetings{publicstaticvoidmain(string[]args){Guy[]guy={newGuy(),newCowboy(),newSurfer()};for(Guy0:guys)System.out.pri

题目

classGuy{Stringgreet(){returnhi}}classCowboyextendsGuy{Stringgreet(){returnhowdy”}}classSurferextendsGuy{Stringgreet(){returndudel”}}classGreetings{publicstaticvoidmain(string[]args){Guy[]guy={newGuy(),newCowboy(),newSurfer()};for(Guy0:guys)System.out.print(g.green());}}结果为:

A.运行时异常被输出

B.第7行出现一个错误,编译失败

C.第8行出现一个错误,编译失败

D.hihihi

E.hihawdydoude


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