public static void savePomo() throws DataFileNotFoundException {
        File dataStore = new File("PomoData");

        try {
            if(dataStore.exists()) {
                String line;
                FileReader fileReader = new FileReader(dataStore);
                BufferedReader bufferedReader = new BufferedReader(fileReader);
                while( (line=bufferedReader.readLine()) != null ) {
                    System.out.println("Line!" + line);
                    if (line.contains("LifeTimePomo")) {
                        bufferedReader.close();
                        FileWriter writer = new FileWriter(dataStore);
                        BufferedWriter bufferedWriter = new BufferedWriter(writer);
                        int number = Integer.parseInt(line.substring(line.lastIndexOf(":") + 1));
                        number++;
                        String putData = "LifeTimePomo:" + number;
                        bufferedWriter.write(putData);
                        bufferedWriter.newLine();
                        System.out.println("Writing...");
                        bufferedWriter.close();
                        break;
                    }
                }
            } else {
                throw new DataFileNotFoundException("Could not find the required data file.");
            }
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }