public class MarkCalculator9 implements MarkCalculator {
public MarkGrade calculateMark(int lab, int assignment1, int assignment2,
int finalexam, boolean attendedFinal)
throws ComponentOutOfRangeException {
if (!(0 <= lab && lab <= 10 && 0 <= (assignment1 + assignment2)/2 && (assignment1 + assignment2)/2 <= 10 && 0 <= finalexam && finalexam <= 100)) throw new ComponentOutOfRangeException(); if (!attendedFinal) return new MarkGrade(null,Grade.NCN); int m = (assignment1 * 150 + assignment2 * 150 + lab * 100 + finalexam * 60); int raw = ((m % 100 < 50) ? (m / 100) : (m / 100) + 1); if (raw < 45) return new MarkGrade(raw, Grade.N); else if (raw < 50) return new MarkGrade(raw, Grade.PX); else if (raw < 60) return new MarkGrade(raw, Grade.P); else if (raw < 70) return new MarkGrade(raw, Grade.C); else if (raw < 80) return new MarkGrade(raw, Grade.D); else return new MarkGrade(raw, Grade.HD); } }