cpp-work/work20220330/t4/main.cpp

#include <iostream>
#include "DbTeacher.h"

int main() {
    Staff basicInformation("dbt", 'M', "17388293849", Date(2002, 6, 9));
    DbTeacher dbTeacher(basicInformation, "unknown title", "unknown job", 11234);
    std::cout << dbTeacher.toString();
    return 0;
}