hibernate jpa基本映射

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public void testSave1() {Session session = null;try {session = HibernateUtils.getSession();session.beginTransaction();User1 user = new User1();user.setName("李四11");session.save(user);session.getTransaction().commit();}catch(Exception e) {e.printStackTrace();session.getTransaction().rollback();}finally {HibernateUtils.closeSession(session);}}public void testSave2() {Session session = null;try {session = HibernateUtils.getSession();session.beginTransaction();User2 user = new User2();user.setName("李四");session.save(user);session.getTransaction().commit();}catch(Exception e) {e.printStackTrace();session.getTransaction().rollback();}finally {HibernateUtils.closeSession(session);}}public void testSave3() {Session session = null;try {session = HibernateUtils.getSession();session.beginTransaction();User3 user = new User3();user.setName("张三");session.save(user);session.getTransaction().commit();}catch(Exception e) {e.printStackTrace();session.getTransaction().rollback();}finally {HibernateUtils.closeSession(session);}}public void testSave4() {Session session = null;try {session = HibernateUtils.getSession();session.beginTransaction();User4 user = new User4();user.setName("张三");session.save(user);session.getTransaction().commit();}catch(Exception e) {e.printStackTrace();session.getTransaction().rollback();}finally {HibernateUtils.closeSession(session);}}?