import processing.xml.*;
// Load RSS feed
String url = "http://processing.org/updates.xml";
XMLElement rss = new XMLElement(this, url);
// Get title of each element
XMLElement[] titleXMLElements = rss.getChildren("channel/item/title");
for (int i = 0; i < titleXMLElements.length; i++) {
  String title = titleXMLElements[i].getContent();
  println(i + ": " + title);
}