static void Main(string[] args)
{
Clocks myClock = new Clocks();
Analog c1 = new Analog();
Digital c2 = new Digital();
c1.Subscribe(myClock);
c2.Subscribe(myClock);
myClock.Run();
}
public void Subscribe(Clocks clocks)
{
clocks.onSecondChange += new SecondChangeHandler(Show);
}