static void Main(string[] args)
{
StrategyPattern strategy = new StrategyPattern();
Console.WriteLine();
ObserverPattern observer = new ObserverPattern();
Console.WriteLine();
DecoratorPattern decotrator = new DecoratorPattern();
Console.WriteLine();
Console.ReadKey();
}
public static void DecoratorDemo()
{
var dp = new DecoratorPattern();
dp.DecoratorDemo();
}