public void searchDataset (String valueDataset) throws IOException
    {
        FileReader reader= new FileReader("config.properties");
        Scanner in=new Scanner(reader);
        if (in.hasNext())
        {
            in.nextLine();
            boolean trovato=false;
            while (in.hasNext()&& !trovato)
            {
                String elem=in.nextLine();
                if (elem.equalsIgnoreCase(valueDataset))
                {
                    trovato=true;
                }

            }

            System.out.println("dataset non trovato");

        }


    }