private static String findClass(String[] array) {
        Set<String> h = new HashSet<>(Arrays.asList(array));
        String[] unique = h.toArray(new String[0]);
        int[] counts = new int[unique.length];
        for(int i = 0; i < unique.length; i++) {
            for(int j = 0; j < array.length; j++) {
                if(array[j].equals(unique[i])) {
                    counts[i]++;
                }
            }
        }

        int max = counts[0];

        for(int counter = 1; counter < counts.length; counter++) {
            if(counts[counter] > max) {
                max = counts[counter];
            }
        }

        int freq = 0;

        for(int counter = 0; counter < counts.length; counter++) {
            if(counts[counter] == max) {
                freq++;
            }
        }

        int index = -1;
        if(freq == 1) {

            for(int counter = 0; counter < counts.length; counter++) {
                if(counts[counter] == max) {
                    index = counter;
                    break;
                }
            }

            return unique[index];
        } else {
            int[] ix = new int[freq];

            int ixi = 0;
            for(int counter = 0; counter < counts.length; counter++) {
                if(counts[counter] == max) {
                    ix[ixi] = counter;
                    ixi++;
                }
            }


            Random rnd = new Random();

            int r = rnd.nextInt(ix.length);

            int n = ix[r];

            return unique[n];
        }
    }