C# (CSharp) ObserverRealWorld IBM示例

示例#1

        static void Main(string[] args)
        {
            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;
            Console.ReadKey();
        }

示例#2

文件： Program.cs 项目： LeVanKhanh/LearningCSharp

        static void Main(string[] args)
        {
            // Create IBM stock and attach investors
            IBM ibm = new IBM("IBM", 120.00);

            ibm.Attach(new Investor("Sorros"));
            ibm.Attach(new Investor("Berkshire"));

            // Fluctuating prices will notify investors
            ibm.Price = 120.10;
            ibm.Price = 121.00;
            ibm.Price = 120.50;
            ibm.Price = 120.75;

            // Wait for user
            Console.ReadKey();
        }