References and Pointers

//a program to demenstrate overloading the prefix operator


#include <iostream>

using namespace std;

class Counter
{
public:
    
    Counter();
    ~Counter(){}

    int GetItsVal() const
	{
		return itsVal;
	}

	void Increment()
	{
		itsVal++;
	}

	const Counter& operator++ ();
	

private:
	int itsVal;
};

Counter::Counter(): itsVal(0)
{}

const Counter& Counter:: operator++ ()
{
     itsVal++;
     return *this;
}


int main()
{
Counter i;
       cout << "The Value of i is " << i.GetItsVal() << endl;
	i.Increment();
	cout << "The value of i is " << i.GetItsVal() << endl;
	++i;
	cout << "The value of i is " << i.GetItsVal() << endl;
	Counter a = ++i;
	cout << "The value of a: " << a.GetItsVal() << endl;
	cout << "and i: " << i.GetItsVal() << endl;
	return 0;
}