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Article #1340

Re: Java Properties vs XML

#1340
From: John McGrath TeamB
Date: Tue, 12 Mar 2002 15:39
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On Mon, 11 Mar 2002 21:23:15 -0800, Dan Tran wrote:

> Could you enlighten me why java properies is
> faster interm of look up?

The Java Properties class is a HashTable, which offers fairly quick 
lookup.  A DOM tree is a tree structure, and if you are using simple 
name value pairs, I presume the properties would all be children of 
the root node, so the lookup would be sequential.  A HashTable should 
give you much better performance than sequential lookup.

Of course, if you were loading the properties from a DOM tree and doing 
a significant number of lookups, you would probably want to push them 
into a HashTable (or HashMap) to speed things up.  The result would be 
the same speed as using the Properties object.

-- 
Regards,

John McGrath [TeamB]

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From: John McGrath  [TeamB] <ng-b@JPMcGrath.net>
Newsgroups: borland.public.jbuilder.java.api
Subject: Re: Java Properties vs XML
Date: Tue, 12 Mar 2002 10:39:19 -0500
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