Java tutorial
import java.awt.Dimension; import java.awt.Graphics; import java.awt.Rectangle; import java.awt.Robot; import java.awt.Toolkit; import java.awt.image.BufferedImage; import javax.swing.JFrame; import javax.swing.JPanel; public class Capture { public static void main(String[] args) { JFrame capture = new JFrame(); capture.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); Toolkit kit = Toolkit.getDefaultToolkit(); final Dimension d = kit.getScreenSize(); capture.setSize(d); Rectangle rect = new Rectangle(d); try { Robot robot = new Robot(); final BufferedImage image = robot.createScreenCapture(rect); image.flush(); JPanel panel = new JPanel() { public void paintComponent(Graphics g) { g.drawImage(image, 0, 0, d.width, d.height, this); } }; panel.setOpaque(false); panel.prepareImage(image, panel); panel.repaint(); capture.getContentPane().add(panel); } catch (Exception e) { e.printStackTrace(); } capture.setVisible(true); } }