Practical Guide to STL

// Program: Map Own Class
// Purpose: To demonstrate a map of classes

// #include "stdafx.h" - include if you use pre compiled headers
#include <string>
#include <iostream>
#include <vector>
#include <map>
using namespace std;

class CStudent
{
public :
	int nStudentID;
	int nAge;
public :
	// Default Constructor - Empty
	CStudent()	{	}
	// Full constructor
	CStudent(int nSID, int nA)	{	nStudentID=nSID; nAge=nA;	}
	// Copy constructor
	CStudent(const CStudent& ob)	{	nStudentID=ob.nStudentID; nAge=ob.nAge;	}
	// Overload =
	void operator = (const CStudent& ob)	{	nStudentID=ob.nStudentID; nAge=ob.nAge;	}
};

int main(int argc, char* argv[])
{
	map <string, CStudent> mapStudent;

	mapStudent["Joe Lennon"] = CStudent(103547, 22);
	mapStudent["Phil McCartney"] = CStudent(100723, 22);
	mapStudent["Raoul Starr"] = CStudent(107350, 24);
	mapStudent["Gordon Hamilton"] = CStudent(102330, 22);

	// Access via the name
	cout << "The Student number for Joe Lennon is " << 
		(mapStudent["Joe Lennon"].nStudentID) << endl;

	return 0;
}