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import javax.xml.stream.XMLEventFactory; 
import javax.xml.stream.XMLEventWriter; 
import javax.xml.stream.XMLOutputFactory; 
 
public class MainClass { 
 
  public static void main(String[] args) throws Exception { 
    XMLEventFactory eventFactory = XMLEventFactory.newInstance(); 
    XMLEventWriter writer = XMLOutputFactory.newInstance().createXMLEventWriter(System.out); 
 
    writer.add(eventFactory.createStartElement("ns1", "http://www.e.com/ns1", "sample", null, 
        null)); 
    writer.add(eventFactory.createNamespace("ns1", "http://www.e.com/ns1")); 
    writer.add(eventFactory.createNamespace("ns2", "http://www.e.com/ns2")); 
    writer.add(eventFactory.createAttribute("ns2", "http://www.e.com/ns2", "attribute","true")); 
    writer.add(eventFactory.createEndDocument()); 
    writer.flush(); 
  } 
 
} 
 
    
     
   
    
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