Exchange Integer Values

using System;

class ExchangeIntegerValues
{
    static void Main()
    {
        int var1 = 5;
        int var2 = 10;

        Console.WriteLine("var1 = {0} and var2 = {1}\n",var1,var2);

        int exchangeVar1 = var2;
        int exchangeVar2 = var1;

        var1 = exchangeVar1;
        var2 = exchangeVar2;

        Console.WriteLine("var1 = {0} and var2 = {1}\n", var1, var2);
    }
}