企源知识库

重载流提取运算符的一般格式是
A、ostream &operator>>(ostream & output，类名&对象名){...}
B、ostream &operator<<(ostream & output，类名&对象名){...}
C、istream &operator>>(istream & input，类名&对象名){...}
D、istream &operator<<(istream & input，类名&对象名){...}
【正确答案】：C