OOP Ass 2 - Student Database

#include <bits/stdc++.h>
#include <iostream>
#include <string>
using namespace std;

class Student{
private:
    string name, grade, div, birthDate, bloodGroup, address, roll, license, phone;
    string email;
    static string college;
public:
    Student(){
        name = "NAME SURNAME";
        grade = "CLASS";
        div = "DIVISION";
        birthDate = "01/01/2000";
        bloodGroup = "BLOOD GROUP";
        address = "ADDRESS";
        roll = "00";
        phone = "0000000000";
        email = "[email protected]";
        license = "0LX000000";

    }

    Student(const Student &obj){
        name = obj.name;
        grade = obj.grade;
        div = obj.div;
        birthDate = obj.birthDate;
        bloodGroup = obj.bloodGroup;
        address = obj.address;
        roll = obj.roll;
        phone = obj.phone;
        license = obj.license;
    }

    void initData(){
        cout << "\n ----- ENTER STUDENT DETAILS -----" << endl;
        cout << "Enter Name: "; getline(cin, name);
        cout << "Enter Class: "; getline(cin, grade);
        cout << "Enter Division: "; getline(cin, div);
        cout << "Enter Date of Birth: "; getline(cin, birthDate);
        cout << "Enter Blood Group: "; getline(cin, bloodGroup);
        cout << "Enter Address: "; getline(cin, address);
        cout << "Enter Roll No.: "; getline(cin, roll);

        cout << "Enter Phone No.: "; getline(cin, phone);
        // Exception Handling for Phone Number (Checking if Phone Number exceeds 10 digits)


        cout << "Enter Email: "; getline(cin, email);
        // Vewy Basic Exception Handling for email (Checking for the '@' character)
        int flag = 0;
        try {
            for (int i = 0; i < email.size(); i++){
                if (email[i] == '@') {
                    flag = 1;
                    break;
                }
            }

            if (flag == 0) {
                throw(email);
            }

        } catch (string email1) {
            cout << "ERROR! Please enter a Valid Email!" << endl;
            cout << "Enter a Valid Email: ";
            getline(cin, email);
        }
        cout << "Enter Driving License No.: "; getline(cin, license);
        cout << endl;
    }
    void displayData(){
        cout << "\n STUDENT DETAILS FOR: " << name << endl;
        cout << "--------------------------" << endl;
        cout << "Name: " << name << endl;
        cout << "Class: " << grade << endl;
        cout << "Division: " << div << endl;
        cout << "Roll No.: " << roll << endl;
        cout << "Date of Birth: " << birthDate << endl;
        cout << "Blood Group: " << bloodGroup << endl;
        cout << "Address: " << address << endl;
        cout << "Phone No.: " << phone << endl;
        cout << "Email : " << email << endl;
        cout << "Driving License No.: " << license << endl;
        cout << "Institute: " << college << endl;
        cout << endl;
    }

    static void getCollege(){
        cout << college << endl;
    }

};

string Student::college = "International Institute of Information Technology";

int main(){
    Student S1;
    S1.initData();
    S1.displayData();
    Student::getCollege();


    return 0;
}