code: public void printUserProfies() {
      EntityScanner<UserProfileModel> scanner = userProfileDao.getScanner();
      scanner.initialize();
      try {
        for (UserProfileModel entity : scanner) {
          System.out.println(entity.toString());
        }
      } finally {
        // scanners need to be closed.
        scanner.close();
      }
    }
docs: Print all user profiles.
  
  This method demonstrates how to open a scanner that will scan the entire
  table. It has no start or stop keys specified.