public static void pagingSelect(int fetchSize, int displayCount){
   Session session = ConnectionBean.getCurrentSession();
   Query query = session.createQuery("from Customer");
   query.setFetchSize(fetchSize);
      
   System.out.println("Start loading...");
   Iterator customerIterator = query.list().iterator();
   int i = 0;
   while (customerIterator.hasNext()) {
      Customer customer = (Customer)customerIterator.next();
      System.out.println(customer.getId() + ",\t" + customer.getCompany());
      i++;
      if (i == displayCount)
         break;
   }
   session.close();
   System.out.println("End loading.");
}