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  1. Prepare
  2. C++
  3. Classes
  4. Virtual Functions
  5. Discussions

Virtual Functions

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446 Discussions

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  • 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;

  • xigua3492
     + 0 comments
    class Person{
    protected:
        string name;
        int age;
    public:
        virtual void getdata(){};
        virtual void putdata(){};
};

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

int Professor::id=0;

class Student : public Person{
    private:
        int marks[6];
        static int id;
        int cur_id;
        int sum;
    public:
        Student(){
            cur_id=++id;
            sum=0;
        }
        void getdata(){
            cin >> name >> age;
            for(int i=0;i<6;i++){
                cin >> marks[i];
            }
        }
        void putdata(){
            for(int j=0;j<6;j++){
                sum+=marks[j];
            }
            cout << name << " " << age << " " << sum << " " << cur_id << endl;
        }
};

int Student::id=0;

  • sezzaldiin0
     + 0 comments
    class Person {
public:
    string name;
    int age;
    virtual void getdata() {
        cin >> this->name >> this->age;
    }
    virtual void putdata() {
        cout << this->name << " " << this->age << endl;
    }
};
class Professor : public Person {
public:
    Professor() {
        this->cur_id = ++id;
    }
    int publications;
    static int id;
    int cur_id;
    void getdata() {
        cin >> this->name >> this->age >> this->publications;
    }
    void putdata() {
        cout << this->name << " "
            << this->age << " "
            << this->publications << " "
            << this->cur_id << endl;
    }
};
int Professor::id = 0;
class Student : public Person {
#define NUM_OF_MARKS 6
public:
    Student() {
        this->cur_id = ++id;
    }
    int marks[NUM_OF_MARKS];
    static int id;
    int cur_id;
    void getdata() {
        cin >> this->name >> this->age;
        for (int i=0; i<NUM_OF_MARKS; i++) {
            cin >> marks[i];
        }
    }
    void putdata() {
        int marksSum = 0;
        for (int i=0; i<NUM_OF_MARKS; i++) {
            marksSum += marks[i];
        }
        cout << this->name << " "
            << this->age << " "
            << marksSum << " "
            << this->cur_id << endl;
    }
};
int Student::id = 0;