Method getTotal

week09/examples/static.cpp:58–58

            std::cerr << "The input b is " << b << ", and should be in [1990, 2020]." << std::endl;
    }
    static size_t getTotal() {return student_total;}
    // the declarations, the definitions are out of the class
    void setGender(bool isMale);
    void printInfo();