static void Main()
{
Student student1 = new Student("Ivan", 15);
Student student2 = new Student("Petkan", 17);
Student student3 = new Student("Dragan", 19);
Class osmiB = new Class("osmi B");
osmiB.SetOfStudents.Add(student1);
osmiB.SetOfStudents.Add(student2);
osmiB.SetOfStudents.Add(student3);
Teacher teacher1 = new Teacher("Anatoli");
Teacher teacher2 = new Teacher("Cvetkan");
osmiB.SetOfTeachers.Add(teacher1);
osmiB.SetOfTeachers.Add(teacher2);
Discipline math = new Discipline("Math", 5, 4);
Discipline history = new Discipline("History", 9, 8);
Discipline geography = new Discipline("Geography", 4, 9);
Discipline science = new Discipline("Science", 5, 4);
teacher1.SetOfDisciplines.Add(math);
teacher1.SetOfDisciplines.Add(history);
teacher2.SetOfDisciplines.Add(geography);
teacher2.SetOfDisciplines.Add(science);
Console.WriteLine("The class {0} has those students : \n",osmiB.UnicTxtInd);
Console.WriteLine(osmiB.StudentToString());
Console.WriteLine("Some teachers:");
Console.WriteLine(osmiB.TeacherToString());
teacher1.AddComment("This is some optional comment");
string comment=teacher1.ShowComment();
Console.WriteLine(comment);
}
