0;     try {         while ((line = br.readLine()) != null) {             // Logic to remove header from the input data.             if (iteration == 0) {                 iteration++;                 continue;             }             String[] myArray = line.split(",");              List<String> myList = new ArrayList<String>(Arrays.asList(myArray));              if (myList.contains(country)) {                 additionalList.addAll(myList);             }             else             {                 return Collections.emptyList();             