C++语言程序设计 class Advisor i int noofMeeting class Graduate Student: public Student public int getQualifier (return qualifier Grade 1 rotected Advisor advisor int qualifier Grade;C++语言程序设计 9 class Advisor { int noOfMeeting; }; class GraduateStudent:public Student { public: int getQualifier(){return qualifierGrade;} protected: Advisor advisor; int qualifierGrade; };