jodd-core/src/main/java/jodd/util/MultiComparator.java
@Override
	public int compare(final T o1, final T o2) {
		for (Comparator<T> comparator : comparators) {
			int result = comparator.compare(o1, o2);
			if (result != 0) {
				return result;
			}
		}
		return 0;
	}
@Override
	public int compare(final T o1, final T o2) {
		for (Comparator<T> comparator : comparators) {
			int result = comparator.compare(o1, o2);
			if (result != 0) {
				return result;
			}
		}
		return 0;
	}
Compares two objects starting with first comparator; if they are equals
proceeds to the next comparator and so on.