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

class PrintScreen {
PrintScreen(int i) {
try {
Toolkit tool = Toolkit.getDefaultToolkit();
Dimension d = tool.getScreenSize();
Rectangle rect = new Rectangle(d.width,d.height);
Robot robot = new Robot();
File f = new File("image"+i+".jpg");
BufferedImage img = robot.createScreenCapture(rect);
ImageIO.write(img,"jpeg",f);
tool.beep();

}
catch(Exception e) {
System.out.println(e);
}
}
public static void main(String args[]) {
try {
Thread.sleep(5000);
for (int n=0;n<3;n++) {
Thread.sleep(1000);
PrintScreen sr = new PrintScreen(n);
}
}
catch(Exception e) {
System.out.println(e);
}
}

}