public DSP2(WeatherData wd)
 {
     this.wd = wd; wd.regObs(this);
 }
        static void Main(string[] args)
        {
            WeatherData wd = new WeatherData();
            DSP1 d1 = new DSP1(wd);
            DSP2 d2 = new DSP2(wd);
            wd.notifyObs();

            string z = Console.ReadLine();
        }
        static void Main(string[] args)
        {
            WeatherData weatherData = new WeatherData();
            CurrentConditionsDisplay currentDisplay = new CurrentConditionsDisplay(weatherData);
            weatherData.setMeasurements(80, 65, 30.4f);

            string z = Console.ReadLine();
        }