class worker: public person pl rivate int kindofwork: public: void printInfo o 在派生类 worker 中重新定义 cout<<Worker\" 人民邮电出版社 POSTS tEl OM PRE 动此映class worker: public person { private: int kindofwork; public: void printInfo () //在派生类worker中重新定义 { cout<<"Worker\n"; } };