public override void update(Share subject)
{
Console.WriteLine("GraphView for {0}", this.type);
Console.WriteLine("Stock: {0}, Price: {1}\n", subject.CodeName, subject.Price);
}
public override void update(Share subject)
{
Console.WriteLine("DetailView for {0}", this.type);
Console.WriteLine("{0}: Stock: {1}, Price: {2}\n", DateTime.UtcNow, subject.CodeName, subject.Price);
}
public abstract void update(Share subject);
