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public class jietu {

	public static void main(String[] args) throws AWTException, IOException {
		Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
		int screenSizewidth = (int) screenSize.getWidth();
		int screenSizeheight = (int)screenSize.getHeight();
		Robot robot = new Robot();
		BufferedImage createScreenCapture = robot.createScreenCapture(new Rectangle(screenSizewidth,screenSizeheight));
		ImageIO.write(createScreenCapture, "jpg", new File("C:\\Users\\Mr_li\\Pictures\\Saved Pictures\\psb.jpg"));
		
	}