static void Main(string[] args) { Classs class1 = new Classs("PP2"); Student st1 = new Student("Madina", "Almanova"); Student st2 = new Student("aaa", "bbb"); class1.Add(st1); class1.Add(st2); class1.Serialize(); Classs class2 = class1.Deserialize(); class2.Print(); Console.ReadKey(); }