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Using XMLEventFactory to create xml document

import java.util.Arrays; import java.util.List; import javax.xml.stream.XMLEventFactory; import javax.xml.stream.XMLEventWriter; import javax.xml.stream.XMLOutputFactory; import javax.xml.stream.events.Attribute; import javax.xml.stream.events.Characters; import javax.xml.stream.events.EndDocument; import javax.xml.stream.events.EndElement; import javax.xml.stream.events.StartDocument; import javax.xml.stream.events.StartElement; public class XMLEventWriterDemo {   public static void main(String[] args) throws Exception {     XMLOutputFactory outputFactory = XMLOutputFactory.newInstance();     XMLEventWriter writer = outputFactory.createXMLEventWriter(System.out);     XMLEventFactory xmlEventFactory = XMLEventFactory.newInstance();     StartDocument startDocument = xmlEventFactory.createStartDocument("UTF-8", "1.0");     writer.add(startDocument);     StartElement startElement = xmlEventFactory.createStartElement("", "", "My-list");     writer.add(startElement);     Attribute attribute = xmlEventFactory.createAttribute("version", "1");     List attributeList = Arrays.asList(attribute);     List nsList = Arrays.asList();     StartElement startElement2 = xmlEventFactory.createStartElement("", "", "Item",         attributeList.iterator(), nsList.iterator());     writer.add(startElement2);     StartElement codeSE = xmlEventFactory.createStartElement("", "", "code");     writer.add(codeSE);     Characters codeChars = xmlEventFactory.createCharacters("I001");     writer.add(codeChars);     EndElement codeEE = xmlEventFactory.createEndElement("", "", "code");     writer.add(codeEE);     StartElement nameSE = xmlEventFactory.createStartElement(" ", " ", "name");     writer.add(nameSE);     Characters nameChars = xmlEventFactory.createCharacters("a name");     writer.add(nameChars);     EndElement nameEE = xmlEventFactory.createEndElement("", "", "name");     writer.add(nameEE);     StartElement contactSE = xmlEventFactory.createStartElement("", "", "contact");     writer.add(contactSE);     Characters contactChars = xmlEventFactory.createCharacters("another name");     writer.add(contactChars);     EndElement contactEE = xmlEventFactory.createEndElement("", "", "contact");     writer.add(contactEE);     EndDocument ed = xmlEventFactory.createEndDocument();     writer.add(ed);     writer.flush();     writer.close();   } }