public class HibernateExecutor { public static void main(String[] args) {     boolean success = true;     Transaction transaction = null;     Configuration config = new Configuration();     config.configure();           SessionFactory factory = config.buildSessionFactory();           Session session = factory.openSession();             (中略)     try {       list = shainDao.findShainByHQL();       dispShain(list, "HQL");       list = shainDao.findShainByCriteria();       dispShain(list, "Criteria");       transaction = session.beginTransaction();             busho = new Busho();       busho.setBushoId(6);       busho.setBushoName("商品部");       busho.setExtensionNum(new Integer(7777));       bushoDao.saveBusho(busho);       list = bushoDao.findBusho();       dispBusho(list, "挿入結果");       busho.setExtensionNum(new Integer(8888));       list = bushoDao.findBusho();       dispBusho(list, "更新結果");       bushoDao.deleteBusho(busho);       list = bushoDao.findBusho();       dispBusho(list, "削除結果");     } catch(Exception e) {     success = false;       e.printStackTrace();     } finally {       if(success) {         transaction.commit();             } else {         transaction.rollback();             }       session.clear();             factory.close();           }   }   public static void dispShain(List list, String str) {     System.out.println("-----検索結果(" + str + ")-----");     Shain shain = null;     for(int i = 0; i < list.size(); i++) {       shain = (Shain)list.get(i);       System.out.println("社員ID = " + shain.getShainId());       System.out.println("社員名 = " + shain.getShainName());       System.out.println("部署名 = " + shain.getBusho().getBushoName());           }     System.out.println("\n");   }       （中略） }