public List findAll() {
String sql = "from Employee e left outer join e.department";
List list = (List) getSession().createQuery(sql).list();
return list;
}
System.out.println(employeeService.findAll());
打印结果:[[Ljava.lang.Object;@5183d589, [Ljava.lang.Object;@511d5d04]
toString方法重写了也没用。