robot.move(); } }

import javax.xml.parsers.*; import org.w3c.dom.*;

import org.xml.sax.SAXException; import java.io.*;

public class XMLUtil{

//该方法用于从XML配置文件中提取具体类类名，并返回一个实例对象 public static Object getBean(){ try{ //创建文档对象 DocumentBuilderFactory dFactory = DocumentBuilderFactory.newInstance(); DocumentBuilder builder = dFactory.newDocumentBuilder(); Document doc; doc = builder.parse(new File(\ //获取包含类名的文本节点 NodeList nl = doc.getElementsByTagName(\ Node classNode=nl.item(0).getFirstChild(); String cName=classNode.getNodeValue(); //通过类名生成实例对象并将其返回 Class c=Class.forName(cName); Object obj=c.newInstance(); return obj; }

catch(Exception e){ e.printStackTrace(); return null; } } }

- BirdAdapter