static void Main(string[] args)
{
var p1 = new BadPupil();
var p2 = new ExcellentPupil();
var firstClass = new ClassRoom(p1, p2);
Console.WriteLine(firstClass.ClassRoomStudy());
Console.WriteLine(firstClass.ClassRoomRead());
Console.WriteLine(firstClass.ClassRoomWrite());
Console.WriteLine(firstClass.ClassRoomRelax());
Console.ReadKey();
}
static void Main(string[] args)
{
//Upcast
Pupil firstExcellentPupil = new ExcellentPupil("Grady", "Buch", ConsoleColor.Red);
Pupil sexondExcellentPupil = new ExcellentPupil("Jeffrey", "Richter", ConsoleColor.Green);
Pupil goodPupil = new GoodPupil("Herbert", "Shildt", ConsoleColor.Blue);
Pupil badPupil = new BadPupil("Hillary", "Clinton", ConsoleColor.DarkGray);
ClassRoom classRoom = new ClassRoom(firstExcellentPupil, sexondExcellentPupil, goodPupil, badPupil);
Console.WriteLine($"There are {classRoom.GetCountOfPupils()} pupils in the Classroom");
Console.WriteLine($"{new string('*',50)}\n");
// I did experiments in project,to reinforce knowledge of Polymorphism
foreach (Pupil pupil in classRoom.pupils)
{
//DownCast
if (pupil is ExcellentPupil e)
{
e.Study();
e.Read();
e.Write();
e.Relax();
Console.WriteLine($"{new string('*', 50)}\n");
// Console.ResetColor();
}
//DownCast
else if ((pupil as GoodPupil) != null)
{
pupil.Study();
pupil.Read();
pupil.Write();
pupil.Relax();
Console.WriteLine($"{new string('*', 50)}\n");
// Console.ResetColor();
}
//DownCast
else if (pupil is BadPupil)
{
Pupil anotherPupil = (Pupil)pupil;
anotherPupil.Study();
anotherPupil.Read();
anotherPupil.Write();
anotherPupil.Relax();
Console.WriteLine($"{new string('*', 50)}\n");
Console.ResetColor();
}
}
}
