class User{
  private String username;
  private String password;

  public User(String p_username, String p_password){
    this.username = p_username;
    this.password = p_password;
  }

  public String getUsername(){
    return this.username;
  }

  public String getPassword(){
    return this.password;
  }
}

ArrayList<User> users = new ArrayList<User>();

public void downloadLoginData(){
  String trg = "data.txt";
  File f = new File(trg);
  ftpClient.Download("users.txt", f);

  users.clear();


  BufferedReader reader = null;
  try {
      reader = new BufferedReader(new FileReader(f));
      String text = null;

      while ((text = reader.readLine()) != null) {
          String[] splits = text.split(';');
          User u = new User(splits[0], splits[1]);
          users.add(u);
      }
  } catch (FileNotFoundException e) {
      e.printStackTrace();
  } catch (IOException e) {
      e.printStackTrace();
  } finally {
      try {
          if (reader != null) {
              reader.close();
          }
      } catch (IOException e) {
      }
  }

}