Java program to capture the screen and save it out as a PNG

Screenshot.java

/**
 * Grabs a shot of the screen and saves it out as a PNG file.
 */
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.AWTException;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import javax.imageio.ImageIO;
import java.io.File;
import java.io.IOException;
public class Screenshot {

    public static void main(String[] args) {
        Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
        Rectangle screenRectangle = new Rectangle(screenSize);
        try {
            Robot robot = new Robot();
            BufferedImage image = robot.createScreenCapture(screenRectangle);
            ImageIO.write(image, "png", new File("screen.png"));
        } catch(AWTException awte) {
            System.out.println("AWTException: "+awte.getMessage());
        } catch(IOException ioe) {
            System.out.println("IOException: "+ioe.getMessage());
        }
    }
}