9. んで Daoね その1
public class UserDao {
public void insert(PersistenceManager pm, User user){
pm.makePersistent(user);
}
public void update(PersistenceManager pm, User user){
insert(pm, user);
}
public User selectKey(PersistenceManager pm, Key key){
return (User)pm.getObjectById(User.class, key);
}
public void delete(PersistenceManager pm, User user){
pm.deletePersistent(user);
}