Is It possible to parse large xml file which has size 800 MB using SAX Parser

[yatz]

I am parsing \[code\]transxchange\[/code\] data which has some files of very large size nearly 800 MB. when I am trying to parse these files I am getting following error.\[code\]Exception in thread "main" java.lang.OutOfMemoryError: Java heap space======================================================================= at java.util.ArrayList.<init>(Unknown Source) at java.util.ArrayList.<init>(Unknown Source) at JourneyPatternSections.<init>(JourneyPatternSections.java:21) at ReadBusData.startElement(ReadBusData.java:131) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.startElement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanStartElement(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl$FragmentContentDriver.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentScannerImpl.next(Unknown Source) at com.sun.org.apache.xerces.internal.impl.XMLDocumentFragmentScannerImpl.scanDocument(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XML11Configuration.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.XMLParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.parsers.AbstractSAXParser.parse(Unknown Source) at com.sun.org.apache.xerces.internal.jaxp.SAXParserImpl$JAXPSAXParser.parse(Unknown Source) at javax.xml.parsers.SAXParser.parse(Unknown Source) at javax.xml.parsers.SAXParser.parse(Unknown Source) at ReadBusData.parseDocument(ReadBusData.java:51) at ReadBusData.<init>(ReadBusData.java:41) at ReadBusData.main(ReadBusData.java:218).\[/code\]I am following this Tutorial.
can Anybody help me.