Person

// ConsoleApplication1.cpp : This file contains the 'main' function. Program execution begins and ends there.
//
#include <iostream>
#include <string>
using namespace std;

class Date
{
private:
    int day;
    int month;
    int year;

public:
    Date()
    {
        day = 0;
        month = 0;
        year = 0;
    }

    void setDay(int d)
    {
        if (d < 1 && d > 32) {
            cout << "Invalide day!" << endl;
        }
        else {
            d = day;
        }
    }

    void setMonth(int m)
    {
        if (m < 1 && m > 12) {
            cout << "Invalide month!" << endl;
        }
        else {
            m = month;
        }
    }

    void setYear(int y)
    {
        if (y < 1990 && y > 2023)
        {
            cout << "Invalide year!" << endl;
        }
        else
        {
            y = year;
        }
    }

    void showDate()
    {
        string monthName[] = { "January", "February", "March", "April",
            "May", "June", "July", "August", "September", "October",
            "November", "Decenber" };
        if (monthName[month - 1] == "February") {
            if (year % 400 == 0) {
                // cout << year << " is a leap year.";
                if (day < 1 && day > 30) {
                    cout << "Invalid day!";
                }
                else {
                    cout << day << " " << monthName[month - 1] << " " << year << endl;
                }
            }
            else {
                //cout << year << " is not a leap year.";
                if (day < 1 && day > 29) {
                    cout << "Invalid day!";
                }
                else {
                    cout << day << " " << monthName[month - 1] << " " << year << endl;
                }
            }
        }
    }

};

class Person
{
private:
    string name;
    string qualification;
    Date date;

public:
    Person()
    {
        name = "";
        qualification = "";
    }
    Person(string Name, string Qualification)
    {
        Name = name;
        Qualification = qualification;
    }

    void setName(string names)
    {
        names = name;
    }

    string getName()
    {
        return name;
    }

    void setQualification(string quality)
    {
        quality = qualification;
    }

    string getQualificattion()
    {
        return qualification;
    }

    void setDate()
    {
        date.showDate();
        cout << endl;
    }
};

int main()
{
    string names, quality;
    int persons = 0;
    Person p;
    Date d;
    cout << "Enter how many persons do you want to check:";
    cin >> persons;
    cout << endl;

    for (int i = 1; i <= persons; i++)
    {
        cout << "Enter name of person: ";
        cin >> names;
        cout << endl;
        cout << "Enter qualification: ";
        cin >> quality;
        cout << endl;
        cout << "Enter birthday DD/MM/YYYY:";
        int day, month, year;
        cin >> day >> month >> year;
        cout << endl;
        cout << day << "  " << monthName[month - 1] << "  " << year << endl;
        cin.get();
        cout << endl;
    }

}