We use cookies to ensure you have the best browsing experience on our website. Please read our cookie policy for more information about how we use cookies.
  1. Prepare
  2. C++
  3. Classes
  4. Virtual Functions
  5. Discussions

Virtual Functions

Sort by

recency

|

448 Discussions

|

  • mubarakabdul067
     + 0 comments

    class Person { public: virtual void getdata() = 0; virtual void putdata() = 0;

    protected:
string name{};
int age{};

    };

    class Professor : public Person {

    private: int publications{}; static int prof_seq_id; int prof_cur_id{};

    public: Professor() :prof_cur_id {prof_seq_id} { prof_seq_id++; }

    void getdata() override { cin >> name; cin >> age; cin >> publications; }

    void putdata() override { cout << name << " " << age << " " << publications << " " << prof_cur_id << endl; }

    };

    int Professor::prof_seq_id = 1;

    class Student : public Person {

    private: vector marks; int stud_cur_id {}; int sum; static int stud_seq_id;

    public:
Student()
:stud_cur_id{stud_seq_id}
{
   stud_seq_id++;
}

void getdata() override
{
   cin >> name;
   cin >> age;

   int num;
   for(int i = 0; i < 6; i++)
   {
    cin >> num;
    marks.emplace_back(num);
   }   
}

void putdata() override
{
    sum = accumulate(marks.begin(), marks.end(), 0);
    cout << name << " " << age << " " << sum << " " << stud_cur_id << endl;
}

    };

    int Student::stud_seq_id = 1;

  • tanujbisht
     + 0 comments
    //used static variables to track professors and studentents seprately
static int count_professor = 0 , count_student = 0;

class Person{
    protected:
        string name;
        int age , cur_id;
    public:
        virtual void getdata() = 0;
        virtual void putdata() = 0;
};

class Professor : public Person{
    private:
        int publications;
    public:
        void getdata(){
            cin>>name;
            cin>>age;
            cin>>publications;
            cur_id = ++(::count_professor);
        }
        void putdata(){
            cout<<name<<" "<<age<<" "<<publications<<" "<<cur_id<<endl;
        }
};
class Student : public Person{
    private:
        int marks;
    public:
        void getdata(){
            cin>>name;
            cin>>age;
            int temp;
            marks = 0;
            for(int i = 0; i < 6;i++){   
                cin>>temp;
                marks += temp;
            }
            cur_id = ++(::count_student);
        }
        void putdata(){
            cout<<name<<" "<<age<<" "<<marks<<" "<<cur_id<<endl;
        }
};

  • manjunathad516
     + 0 comments

    class Person {

    public: string name; int age;

    public:
virtual void getdata() = 0;
virtual void putdata() = 0;

virtual ~Person() = default;

    };

    class Professor: public Person {

    int publication; static int cur_id;

    public:
void getdata() override
{
    cin >> name >> age >> publication;
}
void putdata() override
{
    cout << name <<" "<< age << " "<< publication << " " << ++cur_id <<endl;
}

    };

    class Student:public Person {

    int marks[6]; static int cur_id;

    public:
void getdata() override
{
    cin >> name >> age;
    for(int i = 0; i < 6; i++)
        {
            cin >> marks[i];
        }
}

void putdata() override
{
int total = 0;
    for(int i = 0; i < 6; i++)
    {
        total +=marks[i];
    }
    cout<<name <<" "<<age<<" " << total << " " << ++cur_id << endl;
}

    };

    int Professor::cur_id = 0; int Student::cur_id = 0;

  • manjunathad516
     + 0 comments

    class Person { public: string name; int age;

    public:
virtual void getdata() = 0;
virtual void putdata() = 0;

virtual ~Person() = default;

    };

    class Professor: public Person { int publication; static int cur_id;

    public:
void getdata() override
{
    cin >> name >> age >> publication;
}
void putdata() override
{
    cout << name <<" "<< age << " "<< publication << " " << ++cur_id <<endl;
}

    };

    class Student:public Person { int marks[6]; static int cur_id;

    public:
void getdata() override
{
    cin >> name >> age;
    for(int i = 0; i < 6; i++)
        {
            cin >> marks[i];
        }
}

void putdata() override
{
    int total = 0;
    for(int i = 0; i < 6; i++)
    {
        total +=marks[i];
    }
    cout<<name <<" "<<age<<" " << total << " " << ++cur_id << endl;
}

    };

    int Professor::cur_id = 0; int Student::cur_id = 0;

  • lylzcx4
     + 0 comments
    class Person{
    public:
        string name;
        int age;
    public:
        Person():name(""), age(0){}
        Person(string& name, int age):name(name), age(age){}
        virtual void getdata(){
            cin >> name >> age;
        }
        virtual void putdata(){
            cout << name << " " << age << " ";
        }
};

class Student: public Person{
    private:
        vector<int> arr;
        static int cur_id;
    public:
        Student():Person(), arr(6, 0){}
        Student(string&name, int age, vector<int>& arr, int cur_id):Person(name, age), arr(arr){}
        void getdata()
        {
            Person::getdata();
            for(int i = 0; i < arr.size(); i++)
            {
                cin >> arr[i];
            }
        }
        void putdata()
        {
            Person::putdata();
            int total = 0;
            for(int i = 0; i < arr.size(); i++)
            {
                total += arr[i];
            }
            cout << total << " " << ++cur_id << endl;
        }
};

class Professor: public Person{
    private:
        int publicatios;
        static int cur_id;
    public:
        Professor():Person(), publicatios(0){}
        Professor(string& name, int age, int publications, int cur_id):Person(name, age), publicatios(publications){}
        void getdata()
        {
            Person::getdata();
            cin >> publicatios;
        }
        void putdata()
        {
            Person::putdata();
            cout << publicatios << " " << ++cur_id << endl;
        }
    
};
int Professor::cur_id = 0;
int Student::cur_id = 0;