Scanner in = new Scanner(System.in);         int m = Integer.parseInt(in.nextLine());         ArrayList<Interval> input = new ArrayList<>();                  for(int i = 0; i < m; i++){             String[] errorsClassifiedByEditors = in.nextLine().split(";");             for(int j = 0; j < errorsClassifiedByEditors.length; j++){                 String[] errors = errorsClassifiedByEditors[j].split(",");                 input.add(new Interval(Integer.parseInt(errors[0]), Integer.parseInt(errors[1])));             }         }         in.close();