C / C++ / MFC

#include <iostream>
using namespace std;
template <class T> class Array {
  public:
    friend ostream& operator<< (ostream&, Array<T>&);

  private:
    T *pType;
};

template <class T>
ostream& operator<< (ostream& output, Array<T>& theArray)
{
   output << "output array" << endl;
   return output;
}
ostream& operator<< (ostream&, Array<int>&);
int main()
{
   Array<int> theArray;
   cout << theArray << endl;
   return 0;
}

Header File :
#ifndef RESERVATION_H_  //to avoid redefinition errors
#define RESERVATION_H_

#include <iostream>
#include <string>
#include "Passenger.h"

using namespace std;


class Reservation{

private:
	static int sn;//serial number 
    const string ID; //first two letters of passanger name plus sn
	bool smokerSeat;
	Passenger passenger;
		
public:
	
	//Constructor taking the parameters of Passenger
	Reservation(string psngrName, long psngrPhone, string psngrPassport, bool 	smoke);
	
	//Constructor taking a Passenger object 
	Reservation(Passenger& psngr, bool smoke); 
	
	Passenger getPassenger();		
	bool isSmoker();// to check if the passenger is smoker or not  
	
	string getReservationNumber();	//getReservation number = getId 
	void printDetails(); // toprint passenger details
	string ID_sn();
	
};


#endif /*RESERVATION_H_*/

source File 
#include <string>
#include <iostream>
#include <sstream>
#include "reservation.h"
using namespace std;


//Constructor that initializes the data members to given parameters:
Reservation::Reservation(string psngrName, long psngrPhone, string psngrPassport, bool 	smoke)
	:ID(psngrName)
{
	passenger.setPassengerName(psngrName);
    passenger.setContactNumber(psngrPhone);
    passenger.setPassportNumber(psngrPassport);
    smokerSeat=smoke;
}//end contsteuctor 


Reservation::Reservation(Passenger& psngr, bool smoke)
	
{
   passenger.setPassengerName(psngr.getPassengerName());
   passenger.setPassportNumber(psngr.getPassportNumber());
   passenger.setContactNumber(psngr.getContactNumber());
   smokerSeat=smoke;
}//end consreuctor 

Passenger Reservation::getPassenger()
{
	return this->passenger;
}//end getPassenger Function



 bool Reservation::isSmoker()
 {
	 return smokerSeat;
 }//end function isSmoker
 

void Reservation::printDetails() //function that print the user details 
{
    cout<< "passenger name: "<<passenger.getPassengerName();
	cout<<"passenger Contact Number:"<<passenger.getContactNumber();
	cout<<"Passenger Passport Number :"<<passenger.getPassportNumber();
	cout<<"passenger ID:"<<Reservation::getReservationNumber();
	cout<<" smoking preferences: "<<(isSmoker()?"smoker":"nonsmoker");
} //end function printDetails

ID=ss.substr(0,2)+s;

string ID_sn();