If you want to iterate in the order you inserted your objects in the
collection, try using a java.util.Vector.
Regards
Luis Olivares.
[EMAIL PROTECTED]
--------------------------------------------------------------
"Intelligence is the ability to avoid doing
work, yet getting the work done"
--Linus Torvalds--
----- Original Message -----
From: "Richard Yee" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Monday, September 24, 2001 1:19 AM
Subject: RE: Postmortem (iterate, wrap, hashtable, nested)
> Ali,
> If you want the items to be in a specific order then you need to store
them
> in a Collection that preserves the order. The HashMap or any other Map
for
> that matter that you are using WILL NOT preserve the order. You need to
> use an ArrayList instead.
>
> InvoiceLineItems needs to be stored in an ArrayList.
>
> -Richard
>
> At 10:34 PM 9/23/01 -0400, you wrote:
> >richard- i appreciate the input. i'd expect it to give back in the
natural
> >order, the order in which i put my items. however, something else is
going
> >on apparently. --a
> >
> >-----Original Message-----
> >From: Richard Yee [mailto:[EMAIL PROTECTED]]
> >Sent: Sunday, September 23, 2001 3:47 PM
> >To: [EMAIL PROTECTED]
> >Subject: Re: Postmortem (iterate, wrap, hashtable, nested)
> >
> >
> >Ali,
> >You are getting the InvoiceLineItems out of order b/c you are storing
them
> >in a Map or Hashtable. These collections do not preserve the order of
the
> >objects as they are inserted into them. If you want to preserve the
> >ordering, you need to use a Collection that implements the List interface
> >(ArrayList, LinkedList) You could use a TreeMap or SortedMap, but these
> >would incur more overhead for your application than using a collection
that
> >implements the List interface.
> >
> >-Richard
