test.xml文件内容：
<?xml version="1.0" encoding="UTF-8"?>
<RESULT>
<VALUE>
<NO>A1234</NO>
<ADDR>四川省XX县XX镇XX路X段XX号</ADDR>
</VALUE>
<VALUE>
<NO>B1234</NO>
<ADDR>四川省XX市XX乡XX村XX组</ADDR>
</VALUE>
</RESULT>
MyXMLReader.java文件内容：
import org.xml.sax.*;
import org.xml.sax.helpers.*;
import javax.xml.parsers.*;
public class MyXMLReader extends DefaultHandler {
java.util.Stack tags = new java.util.Stack();
public MyXMLReader() {
super();
}
public static void main(String args[]) {
long lasting = System.currentTimeMillis();
try {
SAXParserFactory sf = SAXParserFactory.newInstance();
SAXParser sp = sf.newSAXParser();
MyXMLReader reader = new MyXMLReader();
sp.parse(new InputSource("data_10k.xml"), reader);
} catch (Exception e) {
e.printStackTrace();
}
System.out.println("运行时间：" + (System.currentTimeMillis() - lasting)
+ "毫秒");
}
public void characters(char ch[], int start, int length)
throws SAXException {
String tag = (String) tags.peek();
if (tag.equals("NO")
