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JDOM parsing and memory

Bhasker Reddy
Ranch Hand

Joined: Jun 13, 2000
Posts: 176
SAXBuilder builder = new SAXBuilder();
Document doc =;
Element root = doc.getRootElement();

I am trying to parse an xml file using JDOM. I am using above lines to create the document from billFile which is a File object. At this point,
doc is in memory. Does it means it holds entire document in memory or it only holds some information, pulls it as and when required.
please clarify

Bhasker Reddy
Lasse Koskela

Joined: Jan 23, 2002
Posts: 11962
It's all in memory. In other words, holding a reference to a JDOM document built from an XML file of 3 megabytes will take at least 3 megabytes of memory ("at least" because the object structure takes more space than the raw data).

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Kumar Bisk
Ranch Hand

Joined: Mar 18, 2003
Posts: 31
There will be no reference in this case. Everything will be stored in memory.
I agree. Here's the link:
subject: JDOM parsing and memory
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