public ClassRoom(Pupil pupilFirst, Pupil pupilSecond, Pupil pupilThird) : this(pupilFirst, pupilSecond) { pupils[2] = pupilThird; }
public ClassRoom(Pupil pupilFirst, Pupil pupilSecond) { pupils[0] = pupilFirst; pupils[1] = pupilSecond; }
public ClassRoom(Pupil pupilFirst, Pupil pupilSecond, Pupil pupilThird, Pupil pupilFourth) : this(pupilFirst, pupilSecond, pupilThird) { pupils[3] = pupilFourth; }