public ClassRoom(Pupil pupil1, Pupil pupil2, Pupil pupil3)
: this(pupil1, pupil2, pupil3, null)
{
}
public ClassRoom(Pupil pupil1, Pupil pupil2, Pupil pupil3, Pupil pupil4)
{
pupils = new Pupil[] { pupil1, pupil2, pupil3, pupil4 };
}
public ClassRoom(Pupil pupil1, Pupil pupil2)
: this(pupil1, pupil2, null, null)
{
}