Accessing attributes of an element : Attribute « XML « Java Tutorial

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;

import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;

public class Main {
  public static void main(String[] argv) throws Exception {
    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder loader = factory.newDocumentBuilder();

    Document document = loader.parse("sample.xml");

    Element purchaseOrder = document.getDocumentElement();

    Attr orderDate = purchaseOrder.getAttributeNode("date");

    NamedNodeMap attrs = purchaseOrder.getAttributes();
    int attrsCount = attrs.getLength();

    for (int i = 0; i < attrsCount; i++) {
      Attr item = (Attr) attrs.item(i);
      System.out.println("'" + item.getName() + "' = '" + item.getValue() + "'");

33.22.1.Adding and Removing an Attribute in a DOM Element
33.22.2.Listing All the Attributes of a DOM Element
33.22.3.Removing All the Attributes in a DOM Element
33.22.4.Remove all attributes by first making a copy of the attribute names and then using the list to remove the attributes:
33.22.5.Determining If an Attribute Was Supplied in a DOM Element
33.22.6.Accessing attributes of an element
33.22.7.Getting and Setting an Attribute in a DOM Element
33.22.8.Extracting attribute values from XML elements