public void undo()
{
hottub.off();
hottub.cool();
hottub.bubblesOff();
}
public void execute()
{
hottub.cool();
hottub.Off();
}
public void undo()
{
hottub.On();
hottub.cool();
hottub.Off();
}
public virtual void execute()
{
hottub.cool();
hottub.off();
}
