eclipse 没有输出

Question

<?xml version="1.0" encoding="UTF-8"?><addresslist> <name>李兴华</name></addresslist>import java.io.* ;import org.w3c.dom.* ;import javax.xml.parsers.* ;public class wwee { public static void main(String args[]) throws Exception { // 取得DocumentBuilderFactory类的对象 DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance() ; // 取得DocumentBuilder类的对象 DocumentBuilder build = factory.newDocumentBuilder()  ; Document doc = build.parse("123.xml") ; NodeList nl = doc.getElementsByTagName("name") ; // 输出节点 System.out.println("姓名：" + nl.item(0).getFirstChild().getNodeValue()) ; }}