public static double ReadAvgDL(String index) throws FileNotFoundException, IOException {
   double avgDL = 0;
   BufferedReader extra = FileReader.openFileReader(new File(index + "ExtraInformation"));
   avgDL = Double.parseDouble(extra.readLine());
   extra.close();
   return avgDL;
 }
 public static double ReadCL(String index) throws IOException {
   double avgDL = 0;
   double CLength = 0;
   BufferedReader extra = FileReader.openFileReader(new File(index + "ExtraInformation"));
   avgDL = Double.parseDouble(extra.readLine());
   CLength = Double.parseDouble(extra.readLine());
   return CLength;
 }