static void Main(string[] args)
{
Console.WriteLine("Observer");
Console.WriteLine("Observer With Interfaces Example");
var stockInitialPrice = 20m;
var stock = new Stock(stockInitialPrice);
var stockPriceDisplay = new StockPriceDisplay();
var subscription = stock.Subscribe(stockPriceDisplay);
stock.UpdatePrice(22m);
stock.UpdatePrice(23m);
stock.UpdatePrice(25m);
stock.UpdatePrice(24m);
stock.UpdatePrice(20m);
stock.UpdatePrice(25m);
subscription.Dispose();
stock.UpdatePrice(25m);
stock.UpdatePrice(20m);
}
static void Main(string[] args)
{
Console.WriteLine("Observer");
Console.WriteLine("Observer Stock Example");
var stockInitialPrice = 20m;
var stockIdentifier = "PETR4";
var petr4Price = new Stock(stockInitialPrice, stockIdentifier);
var stockValueDisplay = new StockPriceDisplay();
var stockVariationRateDisplay = new StockPriceVariationDisplay(stockInitialPrice);
petr4Price.Attach(stockValueDisplay);
petr4Price.Attach(stockVariationRateDisplay);
petr4Price.UpdatePrice(22m);
petr4Price.UpdatePrice(23m);
petr4Price.UpdatePrice(25m);
petr4Price.UpdatePrice(24m);
petr4Price.UpdatePrice(20m);
petr4Price.UpdatePrice(25m);
petr4Price.UpdatePrice(25m);
petr4Price.UpdatePrice(20m);
}
