Get the desktop snapshot with Java

To take the snapshot of your desktop try this:

package com.vaani.image;

import java.awt.Dimension;
import java.awt.Rectangle;import java.awt.Robot;import java.awt.Toolkit;import java.awt.image.BufferedImage;import javax.imageio.ImageIO;import java.io.File;

public class ScreenShooter {  
    public static void main (String[] args) 
            throws Exception { 
        ScreenShooter screenshooter = new ScreenShooter ();
        screenshooter.captureScreen ("C://temp/desktopSnapshot.png");  
    }

    public void captureScreen (String fileName) throws Exception {

        Dimension screenSize = Toolkit.getDefaultToolkit ().getScreenSize ();
        Rectangle screenRectangle = new Rectangle (screenSize);    Robot robot = new Robot ();    BufferedImage image = robot.createScreenCapture (screenRectangle);   
        ImageIO.write (image, "png", new File (fileName));

    }

}

Download the source code from here.