namespace We.Enterprise.Now
{
    class HelloWorld
    {
        private string _helloString;
        public string HelloString
        {
            get
            {
                return _helloString;
            }
            set
            {
                _helloString = value;
            }
        }

        public HelloWorld(string helloString)
        {
            this.HelloString = helloString;
        }

        public void SayHello()
        {
            System.Console.WriteLine(_helloString);
        }

    }

    class HelloWorldFactory
    {
        private HelloWorld _helloWorld;
        public HelloWorld HelloWorldObject
        {
            get
            {
                return _helloWorld;
            }
        }

        public HelloWorldFactory(string factoryString)
        {
            _helloWorld = new HelloWorld(factoryString);
        }
    }

    class MainClass
    {
        static void Main(string[] args)
        {
            HelloWorldFactory helloWorldFactory;
            if (args.Length > 1)
            {
                helloWorldFactory = new HelloWorldFactory(args[1]);
            }
            else
            {
                helloWorldFactory = new HelloWorldFactory("Hello World, We Enterprise Now.");
            }

            helloWorldFactory.HelloWorldObject.SayHello();
        }
    }
}