Hello friends,
I am trying to access Birthday object from peoples class and display it in main but why the program is getting compilation error?

here is my code
main.cpp
Code:
#include<iostream>#include "Birthday.h"
#include "Birthday.cpp"
#include "People.h"
#include "People.cpp"
using namespace std;




int main(){
 Birthday birthObj(11,5,1992);
 People JasonSmith("Jason",birthObj);
 JasonSmith.printInfo();




return 0;
}
Birthday.h

Code:
#ifndef BIRTHDAY_H#define BIRTHDAY_H




class Birthday
{
    public:
        Birthday(int m,int d,int y);
        void printDate();


    private:
        int month;
        int day;
        int year;
};


#endif // BIRTHDAY_H
Birthday.cpp

Code:
#include "Birthday.h"#include<iostream>
using namespace std;
Birthday::Birthday(int m,int d,int y)
{
  month = m;
  day = d;
  year= y;
}


void Birthday::printDate(){


  cout<<month<<"/ "<<day<<"/ "<<year<<endl;
}
People.h
Code:
#ifndef PEOPLE_H#define PEOPLE_H


#include<string>
#include "Birthday.h"
#include "Birthday.cpp"
using namespace std;
class People
{
    public:
        People(string x,Birthday bo);
        void printInfo();


    private:
        string name;
        Birthday dateOfBirth;
};


#endif // PEOPLE_H
People.cpp

Code:
#include "People.h"#include "Birthday.h"
#include<iostream>
using namespace std;


People::People(string x,Birthday bo)
: name(x),dateOfBirth(bo)
{


}


void People::printInfo(){
 cout<<name<<" was born on ";
 dateOfBirth.printDate();


}
Please be easy on me as i am still learning c++