javalab/P14.java

import java.applet.Applet;
import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;

public class P14 extends Applet implements Runnable {
    private String bannerText;
    private int xCoordinate;
    private Thread thread;

    public void init() {
        bannerText = "Goofy ahh banner!";
        xCoordinate = getWidth();

        setBackground(Color.WHITE);
        setForeground(Color.BLACK);
        setFont(new Font("Arial", Font.BOLD, 20));
    }

    public void start() {
        if (thread == null) {
            thread = new Thread(this);
            thread.start();
        }
    }

    public void run() {
        while (true) {
            xCoordinate -= 5;

            if (xCoordinate + 200 < 0) {
                xCoordinate = getWidth();
            }

            try {
                Thread.sleep(100);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }

            repaint();
        }
    }

    public void paint(Graphics g) {
        g.clearRect(0, 0, getWidth(), getHeight());
        g.drawString(bannerText, xCoordinate, 50);
    }
}