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1¡¢×îÖ±½ÓµÄ·½Ê½——ʹÓÃRobot
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public static void main(String[] args) throws MalformedURLException,
IOException, URISyntaxException, AWTException {
//´Ë·½·¨½öÊÊÓÃÓÚJdK1.6¼°ÒÔÉϰ汾
Desktop.getDesktop().browse(
new URL("http://google.com/intl/en/").toURI());
Robot robot = new Robot();
robot.delay(10000);
Dimension d = new Dimension(Toolkit.getDefaultToolkit().getScreenSize());
int width = (int) d.getWidth();
int height = (int) d.getHeight();
//×î´ó»¯ä¯ÀÀÆ÷
robot.keyRelease(KeyEvent.VK_F11);
robot.delay(2000);
Image image = robot.createScreenCapture(new Rectangle(0, 0, width,
height));
BufferedImage bi = new BufferedImage(width, height,
BufferedImage.TYPE_INT_RGB);
Graphics g = bi.createGraphics();
g.drawImage(image, 0, 0, width, height, null);
//±£´æÍ¼Æ¬
ImageIO.write(bi, "jpg", new File("google.jpg"));
}

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PS£ºÊ¾ÀýÀ´Ô´ÓÚACA HTML to Image ConverterÏîÄ¿£¨http://www.acasystems.com/en/web-thumb-activex/faq-con


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import javax.swing.*;
import java.awt.BorderLayout;
import java.awt.Graphics;
import java.awt.event.*;
public class ThreadDemo extends JFrame {
/**
*
*/
private static final long serialVersionUID = 1L;
public ThreadDemo() {
JButton btn = new JButton("Click me");
btn.addActionL ......

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 public class OuterClass
 {
 public class InnerClass
 {
 public int code = 100;
 }
 public static void main(String[] args)
 {
 OuterClass outer = new OuterClass();
 OuterClass.InnerClass o = outer.new InnerClass();
 System. ......

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(a) >>>ÓÒÒÆ£¬¸ßλÓÃ0Ìî³ä£»
int a = 14;
int b = 2;
System.out.println(a >>> b);// 3
int c = -14;
int d = 2;
System.out.println(c >>> d);// 1073741820
(b) >>·ûºÅλ²»±ä£¬ÆäËûλÓÒÒÆ£¬¸ßλÓÃ0Ìî³ä£¬Æä½á¹ûÓëa/2bÏàͬ£»
int a = 14;
int b = 2;
Sy ......
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