Here you can find the source of getElements(Element parent, String tagName)
public static List<Element> getElements(Element parent, String tagName)
//package com.java2s; import org.w3c.dom.Element; import org.w3c.dom.Node; import org.w3c.dom.NodeList; import java.util.ArrayList; import java.util.List; public class Main { public static List<Element> getElements(Element parent, String tagName) { List<Element> elements = new ArrayList<Element>(); NodeList nodes = parent.getElementsByTagName(tagName); for (int i = 0; i < nodes.getLength(); i++) { Node node = nodes.item(i); if (node instanceof Element) { elements.add(Element.class.cast(node)); }//from w ww .j a v a2 s.c om } return elements; } }