Java tutorial
//package com.java2s; /* * JEF - Copyright 2009-2010 Jiyi (mr.jiyi@gmail.com) * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ import java.util.NoSuchElementException; import org.w3c.dom.Element; import org.w3c.dom.NodeList; public class Main { public static Element nthElement(Element parent, String elementName, int index) { NodeList nds = parent.getElementsByTagName(elementName); if (nds.getLength() < index) throw new NoSuchElementException(); Element node = (Element) nds.item(index - 1); return node; } }