simple program using constructor (OOP) (53)

#include<iostream>

#include<string>

using namespace std;

class data

{

public:

int day;

int month;

int year;

data() //this is a default constructure

{

day=12;

month=4;

year=2020;

}

data(int x,int y)

{

day=12;

month=x;

year=y;

}

void mon()

{

if(month>=1 && month<=12)

{

month=1;

}

cout<<"month:"<<month<<endl;

}

void disply()

{

cout<<"year"<<year<<endl;

cout<<"month"<<month<<endl;

cout<<"day"<<day<<endl;

}

};

int main()

{

data n();

data d(3,2020);

d.mon();

d.disply();

}