e;         SQLiteDatabase db = this.getWritableDatabase();         Cursor cursor = db.rawQuery(selectQuery, null);          // looping through all rows and adding to list         if (cursor.moveToFirst()) {             do {                 tableStudents student = new tableStudents();                                 student.modules = cursor.getString(0);                              student.modules0 = cursor.getString(0);                 student.modules0 = cursor.getString(0);                 