static void Main()
{
IBM ibm = new IBM("IBM", 120.00);
ibm.Attach(new Investor("Sorros"));
ibm.Attach(new Investor("Berkshire"));
ibm.Price = 120.10;
ibm.Price = 121.00;
ibm.Price = 120.50;
ibm.Price = 120.75;
ibm.Price = 120.75;
Console.ReadKey();
}
static void Main(string[] args)
{
//Create IBM stock and attach investors
IBM ibm = new IBM("IBM", 120.00);
var investor = new Investor("George Sorros");
ibm.Subscribe(investor);
ibm.Subscribe(new Investor("Bill Gates"));
ibm.Subscribe(new Investor("Bruce Willis"));
//Fluctuating prices will notify investors
ibm.Price = 120.10;
ibm.Price = 121.00;
ibm.Price = 120.50;
ibm.Price = 120.75;
//Unsubscribe George
ibm.Unsubscribe(investor);
ibm.Price = 119.30;
ibm.Price = 118.00;
Console.ReadKey();
}
