static void Main(string[] args)
{
// TODO: Create publishers and subscriber
StockPublisher p1 = new StockPublisher("MSFT");
StockPublisher p2 = new StockPublisher("WCB");
StockSubscriber subscriber = new StockSubscriber();
subscriber.SubscribeTo(p1);
subscriber.SubscribeTo(p2);
Console.ReadLine();
}
public void SubscribeTo(StockPublisher p)
{
p.StockChanged += OnStockChanged;
}