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package xml.jdom;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.List;
import org.jdom.Document;
import org.jdom.Element;
import org.jdom.JDOMException;
import org.jdom.input.SAXBuilder;
import org.jdom.output.XMLOutputter;
import xml.XmlDocument;
public class JDomDemo implements XmlDocument {
public static void main(String[] args){
   JDomDemo jDomeDemo = new JDomDemo();
   jDomeDemo.createXml("Test2.xml");
   jDomeDemo.parserXml("Test2.xml");
}
@Override
public void createXml(String fileName) {
   Element root = new Element("employees");
   Document document = new Document(root);
  
   Element employee = new Element("employee");
   root.addContent(employee);
   Element name = new Element("name");
   name.setText("ddvip");
   employee.addContent(name);
   Element sex = new Element("sex");
   sex.setText("m");
   employee.addContent(sex);
   Element age = new Element("age");
   age.setText("23");
   employee.addContent(age);
   XMLOutputter XMLOut = new XMLOutputter();
   try {
    XMLOut.output(document, new FileOutputStream(fileName));
   } catch (FileNotFoundException e) {
    e.printStackTrace();
   } catch (IOException e) {
    e.printStackTrace();
   }
}
@Override
public void parserXml(String fileName) {
   SAXBuilder builder = new SAXBuilder(false);
   try {
    Document document = builder.build(fileName);
    Element employees = document.getRootElement


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double a = 2.3659874;
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DecimalFormat df = new DecimalFormat("0.000");
String num = df.format(a);
System.out.println(num);
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public class Father{
public void speak(){
System.out.println("Father");
}
}
public class Son extends Father{
public void speak(){
System.out.println("son");
}
}
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   ͨ¹ý Session s = NotesFactory.createSession((String)null, (String)null, "tops3cr3 ......
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