@Override
    public List<Vector> getStudentLessons(String matricNum) {
        studentEntity = lookupStudent(matricNum);
        List<Vector> lessons = new ArrayList();
        for (TutorialEntity t : studentEntity.getTutorials()) {
            Vector o = new Vector();
            o.add(t.getGroupNumber());
            o.add(t.getTime());
            lessons.add(o);
        }
        for (ModuleEntity m : studentEntity.getModules()) {
            Vector o2 = new Vector();
            o2.add(m.getModuleCode());
            o2.add(m.getTime());
            lessons.add(o2);
        }
        return lessons;
    }