private void createStructure() {
        Random random = new Random((int)Math.random()*100);
        data = new DataArrays<String[]>();
        for(int i=0; i<kitSize; i++){
            array = new String[length];
            for (int j=0; j<array.length; j++){
                array[j] = Integer.toString(random.nextInt(chars));
            }
            data.addToKit(array);
        }

    }