Developers developers = new Developers(new Developer[] {
  new Developer { Name = "Paolo", Language = "C#", Age = 32 },
  new Developer { Name = "Marco", Language = "C#", Age = 37},
  new Developer { Name = "Frank", Language = "VB.NET", Age = 48 },
});

var query =
  from d in developers
  where d.Language == "C#"
  select d;

Console.WriteLine("Je zde {0} vvoj v C#.", query.Count());
