hibernate中Query条件查询两种方式

//方法一  Session session =sf.openSession();Transaction tr =session.beginTransaction();Query query=session.createQuery("from StudentBean where parentid=?");query.setInteger(0,id);List<StudentBean> list =query.list();tr.commit();session.close();//方法二  Session session =sf.openSession();Transaction tr =session.beginTransaction();Query query=session .createQuery("from Employee where userName=:userName");query.setString("userName", name);List<Employee>list=query.list();tr.commit();session.close();