import javax.swing.*;

public class FlashingText extends JApplet implements Runnable {
  private JLabel jlblText = new JLabel("Welcome", JLabel.CENTER);

  public FlashingText() {
    add(jlblText);
    new Thread(this).start();
  }

  /** Set the text on/off every 200 milliseconds */
  public void run() {
    try {
      while (true) {
        if (jlblText.getText() == null)
          jlblText.setText("Welcome");
        else
          jlblText.setText(null);

        Thread.sleep(200);
      }
    }
    catch (InterruptedException ex) {
    }
  }

  /** Main method */
  public static void main(String[] args) {
    SwingUtilities.invokeLater(new Runnable() {
      public void run() {
        JFrame frame = new JFrame("FlashingText");
        frame.add(new FlashingText());
        frame.setLocationRelativeTo(null); // Center the frame
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        frame.setSize(200, 200);
        frame.setVisible(true);
      }
    });
  }
}