import java.awt.AWTException;
import java.awt.Rectangle;
import java.awt.Robot;
import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;
 
import javax.imageio.ImageIO;
 
public class CapturaTela {
 
    public static void main(String args[]) throws AWTException, IOException {
        // capture the whole screen
        BufferedImage screencapture = new Robot()
                .createScreenCapture(new Rectangle(Toolkit.getDefaultToolkit()
                        .getScreenSize()));
 
        // Save as JPEG
        File file = new File("c:\\temp\\screencapture.jpg");
        ImageIO.write(screencapture, "jpg", file);
 
        // Save as PNG
        // File file = new File("screencapture.png");
        // ImageIO.write(screencapture, "png", file);
 
        System.out.println("gravou!");
    }
}