static void Main()
{
Person person1 = new Person("Adam", "Miś", new DateTime(1990, 3, 20, 12, 30, 10));
Person person2 = new Student("Michał", "Kot", new DateTime(1990, 4, 13), 3, 5, 12345);
Person person3 = new FootballPlayer("Mateusz", "Żbik", new DateTime(1986, 8, 10), "striker", "FC Barcelona", 10);
person1.Details();
person2.Details();
person3.Details();
Student student = new Student("Krzysztof", "Jeż", new DateTime(1990, 12, 29), 2, 5, 54321);
Player footballer = new HandballPlayer("Piotr", "Kos", new DateTime(1984, 9, 14), "striker", "FC Politechnika");
student.Details();
footballer.Details();
((Player)person3).ScoreGoal();
footballer.ScoreGoal();
footballer.ScoreGoal();
person3.Details();
footballer.Details();
Console.WriteLine("+=++++++++++++++++++++++++++++++++++++++++++++++");
Console.WriteLine();
((Student)person2).AddGrade("PO", 5.0D, new DateTime(2011, 2, 20));
((Student)person2).AddGrade("Bazy Danych", 5.0D, new DateTime(2011, 2, 13));
person2.Details();
Grade grade = new Grade("Bazy Danych", 5.0D, new DateTime(2011, 5, 1));
student.AddGrade(grade);
student.AddGrade("AWWW", 5.0D, new DateTime(2011, 5, 11));
student.AddGrade("AWWW", 4.5D, new DateTime(2011, 4, 2));
student.Details();
student.DeleteGrade("AWWW", 4.5D, new DateTime(2011, 4, 2));
student.Details();
student.DeleteGrades("AWWW");
student.Details();
student.AddGrade("AWWW", 5.0D, new DateTime(2011, 4, 3));
student.DeleteGrades();
student.Details();
Console.ReadKey();
}