E-Mail notification in java ee

package com.service;
import java.util.Properties;
import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

import com.db.Users;


public class ResetPassword
{
public static void sendPassword(Users u)
{
// TODO Auto-generated method stub
String to=u.getEmail();
String subject="Password Sent";
String message="Hello Dear , Your Password is : "+u.getPassword();

String from="lit.bishnu.java@gmail.com"; // give ur mailid
String password="litbishnu"; // give ur passsword

try {
//Authentication with Gmail server
Properties props=new Properties();
props.put("mail.smtp.host", "smtp.gmail.com");
props.put("mail.smtp.socketFactory.port", "465");
props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
props.put("mail.smtp.auth", "true");
props.put("mail.smtp.port", "465");


Authenticator auth = new Authenticator() {
public PasswordAuthentication getPasswordAuthentication() {
return new PasswordAuthentication(from, password);
}
};

Session session = Session.getInstance(props, auth);

//Composing the message
MimeMessage msg=new MimeMessage(session);
msg.setFrom(new InternetAddress(from));
msg.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
msg.setSubject(subject);
msg.setText(message);

//Sending message
Transport.send(msg);
System.out.println("Message delivered successfully , Check your mail ...........");
//response.sendRedirect("mail.jsp?msg=mail delivered");
} catch (MessagingException e) {
// TODO: handle exception
//throw new RuntimeException(e);
e.printStackTrace();
}
}
}

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This is not the full code.Here is the part of code.So understand it then work with it.Directly copy paste this code will not work.