static void Main(string[] args)
{
Car c1 = new Car();
//register a simple method name
c1.RegisterWithCarEngine(CallMeHere);
Console.WriteLine("Vroom vroom");
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
//unregister the method
c1.UnrgeisterWithCarEngine(CallMeHere);
for (int i = 0; i < 6; i++)
{
c1.Accelerate(20);
}
Console.ReadLine();
}