/**
     * Returns a negative integer, zero, or a positive integer as the first
     * string is less than, equal to, or greater than the second string.
     */
    private static class IntegerLT implements
            Comparator<Map.Entry<String, Integer>> {

        @Override
        public int compare(Map.Entry<String, Integer> one,
                Map.Entry<String, Integer> two) {

            int valueOne = one.getValue();
            int valueTwo = two.getValue();

            if (valueTwo > valueOne) {
                return 1;
            } else if (valueOne > valueTwo) {
                return -1;
            } else {
                return 0;
            }
        }
    }