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    public static void captureScreen(String fileName) throws Exception {
    Dimension screenSize = Toolkit.getDefaultToolkit().getScreenSize();
    Rectangle screenRectangle = new Rectangle(screenSize);
    Robot robot = new Robot();
    BufferedImage image = robot.createScreenCapture(screenRectangle);
    ImageIO.write(image, "png", new File(fileName));
    }


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import java.util.regex.*;

public final class RegExpValidator
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* @return Èç¹ûÊÇ·ûºÏµÄ×Ö·û´®,·µ»Ø <b>true </b>,·ñÔòΪ <b>false </b>
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public static boolean isEmail(String str)
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import javax.servlet.Filter;
import javax.servlet.FilterConfig;
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import java.io.File;
public class ListFile {
public static void main(String[] args) {
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String path = "C:/Inetpub";
File f = new File(path);
list(f);
}
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