public override void On(Switch sw)
{
Console.WriteLine("Turning light on!");
sw.state = new OnState();
}
public virtual void Off(Switch sw)
{
Console.WriteLine("The light is already off!");
}
public override void Off(Switch sw)
{
Console.WriteLine("Turning light off!");
sw.state = new OffState();
}
public virtual void On(Switch sw)
{
Console.WriteLine("Light is already on");
}