protected void sort(LinkedList<Student> visibleStudents) {
		Comparator<Student> comparator;
		if (this.nameSort.isSelected())
			comparator = dec.isSelected() ? Comparators.pDec : Comparators.pInc;
		else
			comparator = dec.isSelected() ? Comparators.nDec : Comparators.nInc;
		Collections.sort(visibleStudents, comparator);
	}