Swapping

#include<iostream>
using namespace std;

class swapping {
	int temp;
	public:

		/* Pointer as parameter of the Constructor */
		swapping(int *a, int *b) {

			/* Swapping values using reference of the variables */
			temp = *a;
			*a = *b;
			*b = temp;
		}
};

int main() {
	int x, y;
	cout << "Enter a value for X" << endl;
	cin >> x;
	cout << "Enter a value for Y" << endl;
	cin >> y;
	cout << "Before swapping" << endl;
	cout << "X = "<< x << "\nY = " << y << endl;

	/* Passing reference(memory address) of the variables */
	swapping sp = swapping(&x, &y);
	cout << "After swapping" << endl;
	cout << "X = " << x << "\nY = " << y << endl;
	return 0;
}


/* Output */
Enter a value for X
5

Enter a value for Y
6

Before swapping
X = 5
Y = 6

After swapping
X = 6
Y = 5

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