Swap

This algorithm exchanges the value of two variables.

• C#
• VB.Net
• C
• C++
• PHP

									public static void Swap(ref int a, ref int b)
{
	a ^= b;
	b ^= a;
	a ^= b;
}
								

Example

									int a = 1025;
int b = -5579;
Swap(ref a, ref b);
								

Output

									a: -5579
b: 1025