private void saveData() throws IOException {
FileWriter fileWriter = new FileWriter(getFileName());
BufferedWriter bufferedWriter = new BufferedWriter(fileWriter);
String[] row = new String[2];
for (Entry<String, String> entry : data.entrySet()) {
row[0] = entry.getKey();
row[1] = entry.getValue();
bufferedWriter.write(EUtils.join(row, VALUE_DELIMITER));
bufferedWriter.newLine();
}
bufferedWriter.close();
}
