已知类Base、Derived的定义如下:
则下列语句段在控制台中的输出结果是() Derived x=new Derived(); x.Hello();A: Hello in Base!
B: Hello in Base! Hello in Derived!
C: Hello in Derived!
D: Hello in Derived!Hello in Base!
出自:计算机科学
则下列语句段在控制台中的输出结果是() Derived x=new Derived(); x.Hello();