import javax.swing.*;

public class FlashingText extends JApplet implements Runnable {

    private static final long serialVersionUID = 1L;
    private JLabel            jlblText         = new JLabel("bro its easy :)))",JLabel.CENTER);

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

    @Override
    public void run() {
        try {
            while(true) {
                if(jlblText.getText() == null) {
                    jlblText.setText("Welcome");
                    Thread.sleep(2000);
                } else
                    jlblText.setText(null);
            }
        } catch(InterruptedException ex) {

        }
    }
}