public ArrayList<User> initialTeacherList() { ArrayList<User> teacherList = new ArrayList<User>(); try { br = new BufferedReader(new FileReader("data/teacher.txt")); while ((line = br.readLine()) != null) { String[] split = line.split(" "); Teacher newTeacher = new Teacher(); newTeacher.setId(split[0]); newTeacher.setName(split[1]); newTeacher.setPassword(split[2]); newTeacher.setType("teacher"); teacherList.add(newTeacher); } } catch (IOException ex) { ex.printStackTrace(); } return teacherList; }