j2ee1.4 mail --5.0??

public class T {
   
 public static void main(String[] args) throws MessagingException {
  Properties props=new Properties();
  props.put("mail.smtp.host", "smtp.qq.com");
  props.put("mail.smtp.auth", "true");
  Session session = Session.getDefaultInstance(props);
  session.setDebug(true);
  
  Message msg = new MimeMessage(session);  
  Address from = new InternetAddress("&&&&&@qq.com"); 
  msg.setFrom(from);
  Address to = new InternetAddress("&&&&&@qq.com");
  msg.setRecipient(RecipientType.TO, to);
  msg.setSubject("sadhnsalkjfnlkdsflsda**title");
  msg.setText("neirong");
  msg.setSentDate(new Date());
  
  msg.saveChanges();  
  Transport tran = session.getTransport("smtp");
  tran.connect("smtp.qq.com","&&&&&", "*********");//servername**userName**password
  tran.sendMessage(msg,msg.getAllRecipients());
  tran.close();
  
 }
}