getMode

    public Integer getMode() {

       int bestNumer = 0;
       int frequencyBestNumber = 0;
       Vector v = new Vector(length);

           for (int i = 0; i < v.length; i++) {

                if (this.elements[i] > frequencyBestElements) {
                    bestNumber = v.elements[i];
                    frequencyBestNumber = v.elements[i];
                }

            return bestNumber;
        }