private static void AddCalification() { Console.WriteLine("********* Add calification *********"); try { Console.WriteLine("Course name: "); string courseName = Console.ReadLine(); Console.WriteLine("Student id: "); int studentId = int.Parse(Console.ReadLine()); Console.WriteLine("Calification: "); int calification = int.Parse(Console.ReadLine()); courseLogic.AddCalification(courseName, studentId, calification); Utils.StudentSocket clientSocket = clients.Find(studentSocket => studentSocket.StudentId == studentId); Protocol.Send(clientSocket.ClientSocket, "RES", CommandUtils.CALIFICATION_ADDED_RESPONSE); Console.WriteLine("Calification added correctly"); } catch (CourseException e) { Console.WriteLine(e.Message); } catch (FormatException e) { Console.WriteLine(e.Message); } }