C#

interface IAdd
    {
        int calc(int a,int b);
    }

class Somme :  IAdd
   {
       public int calc(int a, int b)
       {
           return a + b;
       }
   }

class Tunnel
   {
       IAdd som = new Somme();
       som.calc(3,4);//this code s not accepted by VS.i wrote it here just to show at what level i have a problem
   }

static void Main(string[] args)
       {
           IAdd som = new Somme();
           int x = som.calc(3, 4);
           Console.WriteLine( x);
           Console.ReadKey();
       }

CalendarEntry calendar = new CalendarEntry();
calendar.Title.Text = "Little League Schedule";
calendar.Summary.Text = "This calendar contains the practice schedule and game times.";
calendar.TimeZone =  "America/Los_Angeles";
calendar.Hidden = false;
calendar.Color = "#2952A3";
calendar.Location = new Where("", "", "Oakland");

Uri postUri = new Uri("https://www.google.com/calendar/feeds/default/owncalendars/full");
CalendarEntry createdCalendar = (CalendarEntry) service.Insert(postUri, calendar);

CalendarQuery query = new CalendarQuery();
query.Uri = new Uri("https://www.google.com/calendar/feeds/default/allcalendars/full");
CalendarFeed resultFeed = (CalendarFeed) service.Query(query);