Set Image Background in a JPanel

import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.*;
import javax.swing.*;

public class BackgroundImage {
public static void main(String[] args) throws IOException {
BufferedImage image = javax.imageio.ImageIO.read(new File("C:\\WINDOWS\\Web\\Wallpaper\\Azul.jpg"));
ImageBackgroundPanel imp = new ImageBackgroundPanel(image);

// Set layout and add components to imp as desired.

JFrame f = new JFrame();
JTextField txtField=new JTextField(20);
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.getContentPane().add(imp);
imp.add(txtField);
f.setSize(400,400);
f.setLocation(200,200);
f.setVisible(true);
}
}

class ImageBackgroundPanel extends JPanel {
BufferedImage image;

ImageBackgroundPanel(BufferedImage image) {
this.image = image;
}

protected void paintComponent(Graphics g) {
super.paintComponent(g);
g.drawImage(image, 0, 0, this);
}
}

Send mail through JAVA with attachment.

For run this code you should download mail.jar

http://mirrors.ibiblio.org/pub/mirrors/maven/ant/jars/ant-javamail-1.6.jar

import java.util.*;
import javax.mail.*;
import javax.mail.internet.*;
import javax.activation.*;
public class Main
{
 public static void main (String args[]) throws Exception
  {
   String host = "mail.xyz.com"; //Host name should be some mail host name
   String from = "sounak@xyz.com"; // form address
   String to = "sounak@xyz.com"; // to address
   String fileAttachment = "d:\\sqljdbc.jar"; // file path
// Get system properties
   Properties props = System.getProperties();
// Setup mail server
   props.put("mail.smtp.host", host);
// Get session
   Session session = Session.getInstance(props, null);
// Define message MimeMessage message = new MimeMessage(session); message.setFrom( new InternetAddress(from));
   message.addRecipient( Message.RecipientType.TO, new InternetAddress(to));
   message.setSubject( "Hello JavaMail Attachment");
// create the message part
   MimeBodyPart messageBodyPart = new MimeBodyPart();
//fill message
   messageBodyPart.setText("Hi");
   Multipart multipart = new MimeMultipart();
   multipart.addBodyPart(messageBodyPart);
// Part two is attachment
   messageBodyPart = new MimeBodyPart();
   DataSource source = new FileDataSource(fileAttachment);
   messageBodyPart.setDataHandler( new DataHandler(source));
   messageBodyPart.setFileName(fileAttachment);
   multipart.addBodyPart(messageBodyPart);
// Put parts in message
   message.setContent(multipart);
// Send the message
   Transport.send( message );
  }
}