public   class  News  implements  Serializable{
	 private  Integer id;
	 private  String name;
	 private  String content;
	 private  User user;
	 public  News(Integer id, String name, String content, User user) {
		 super ();
		 this .id = id;
		 this .name = name;
		 this .content = content;
		 this .user = user;
	}
	 public  Integer getId() {
		 return  id;
	}
	 public   void  setId(Integer id) {
		 this .id = id;
	}
	 public  String getName() {
		 return  name;
	}
	 public   void  setName(String name) {
		 this .name = name;
	}
	 public  String getContent() {
		 return  content;
	}
	 public   void  setContent(String content) {
		 this .content = content;
	}
	 public  User getUser() {
		 return  user;
	}
	 public   void  setUser(User user) {
		 this .user = user;
	}
}

 public   class  User  implements  Serializable {
	 private  Integer id;
	 private  String name;
	 private  Collection colOfNews;
	 public  User(Integer id, String name, Collection colOfNews) {
		 super ();
		 this .id = id;
		 this .name = name;
		 this .colOfNews = colOfNews;
	}
	 public  Integer getId() {
		 return  id;
	}
	 public   void  setId(Integer id) {
		 this .id = id;
	}
	 public  String getName() {
		 return  name;
	}
	 public   void  setName(String name) {
		 this .name = name;
	}
	 public  Collection getColOfNews() {
		 return  colOfNews;
	}
	 public   void  setColOfNews(Collection colOfNews) {
		 this .colOfNews = colOfNews;
	}
}

User user = BD.delegate.user(id);
Collection collection = user.getColOfNews();