JAVA Interview Questions

import javax.mail.Session;
import javax.mail.Message;
import javax.mail.Transport;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;
import javax.mail.internet.InternetAddress;
import java.util.Properties;

public class EmailSenderDemo {
public static void main(String[] args) {
String from = "user@some-domain.com";
String to = "user@some-domain.com";
String subject = "Hi There...";
String text = "How are you?";

//
// A properties to store mail server smtp information such as the host
// name and the port number. With this properties we create a Session
// object from which we'll create the Message object.
//
Properties properties = new Properties();
properties.put("mail.smtp.host", "smtp.some-domain.com");
properties.put("mail.smtp.port", "25");
Session session = Session.getDefaultInstance(properties, null);

try {
//
// Message is a mail message to be send through the Transport object.
// In the Message object we set the sender address and the recipent
// address. Both of this address is a type of InternetAddress. For
// the recipient address we can also set the type of recipient, the
// value can be TO, CC or BCC. In the next two lines we set the email
// subject and the content text.
//
Message message = new MimeMessage(session);
message.setFrom(new InternetAddress(from));
message.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
message.setSubject(subject);
message.setText(text);

//
// Send the message to the recipient.
//
Transport.send(message);
} catch (MessagingException e) {
e.printStackTrace();
}
}
}