courseLoads.add(new CourseLoad());
courseLoads.add(new CourseLoad(i + 1));
    private List<CourseLoad> createNewCourseLoads() {        int numberOfPeriods = getNumberOfPeriods().intValue();        final List<CourseLoad> courseLoads = new ArrayList<CourseLoad>(numberOfPeriods);                for (int i = 0; i < numberOfPeriods; i++) {            courseLoads.add(new CourseLoad());        }        return courseLoads;    }