to_kevin.cpp

#include <iostream>
#include <string>

using namespace std;


class Instructor{
    public:
        Instructor();
        Instructor(string faculty, string title, string name, char gendar);
        string getName();
        void getFaculty();
    private:
        string faculty;
        string title;
        string name;
        char gender; //f:female, m:male

};

class Lecturer: public Instructor{
     public:
        Lecturer();
        Lecturer(string _email, string _background, string _lectures, int _office, int _extension);
        void getContact();
        //void intro();
     private: 
        string email;
        string background;
        string lectures;
        int office;
        int extension;  
        //string petPhrase;
        //office hour + avaliable time      
};
class OralPresenter: public Lecturer{
     public:
        OralPresenter();
        OralPresenter(int _classroom, int _talkLength,int _talkLevel,string _talkTopic);
        void talkInfo();
        void about();
     private:
        int classroom;
        int talkLength;
        int talkLevel;
        string talkTopic;
        // talk speed
        // bool easy_to_understand
};

int main(){
    Instructor smchang = Instructor("AM", "professor", "SM change", 'f');
    smchang.getFaculty();
    smchang.getName();
    
    Lecturer yjlee = Lecturer("yjlee@nctu.edu.tw", "Ph.D. in __ uni", "ML101", 208, 33456);
    yjlee.getContact();

    OralPresenter jjong = OralPresenter(321, 50, 1, "Linear Algebra and it's application");
    jjong.getFaculty();
    jjong.talkInfo();

    return 0;
}

Instructor::Instructor(){
    faculty = "Unknown";
    title = "Unknown";
    name = "Unknown";
    gender = 'x';
}

Instructor::Instructor(string _faculty, string _title, string _name, char _gender){
    faculty = _faculty;
    title = _title;
    name = _name;
    gender = _gender;
};

string Instructor::getName(){
    return (name);
};
void Instructor::getFaculty(){
    cout << "Faculty is " <<faculty << endl;
}

Lecturer::Lecturer(){
    email = "Unknown";
    background = "Unknown";
    lectures = "Unknown";
    //string petPhrase;
    office = 0;
    extension = 0;  
}

Lecturer::Lecturer(string _email, string _background, string _lectures, int _office, int _extension){
    email = _email;
    background = _background;
    lectures = _lectures;
    office = _office;
    extension = _extension;
};

void Lecturer::getContact(){
    cout << "Contact:" << endl; //cout names!
    cout << "- Email: " << email << endl;
    cout << "- Phone: 03-5752121(ext. " << extension << ")" << endl;
}

OralPresenter::OralPresenter(){
    classroom = 0;
    talkLength = 0;
    talkLevel = 0;
    talkTopic = "Unknown";
}

OralPresenter::OralPresenter(int _classroom, int _talkLength,int _talkLevel, string _talkTopic){
    Instructor("AM", "professor", "Jung Jong", 'f');
    classroom = _classroom; 
    talkLength = _talkLength;
    talkLevel = _talkLevel;
    talkTopic = _talkTopic;
}

void OralPresenter::about(){
    getName();
};

void OralPresenter::talkInfo(){
    string _name = getName();
    cout << _name << endl;
    cout << "Talk info: " << endl << "<" << talkTopic << ">, at " << classroom << " ,the talk is " << talkLength << "minutes long." << endl;
    cout << "level is " << talkLevel << endl;
};