moji.java

import java.awt.*;
import java.applet.Applet;

public class moji extends Applet implements Runnable {
    Thread th=null;
    String message,msg,cen,bef,aft;
    int no,width,wait;

    public void init() {
        msg=getParameter("MESSAGE");
        msg=" "+msg+"  ";
        no=msg.length();
        wait=Integer.parseInt(getParameter("WAIT"));
    }

    public void update(Graphics g) {
        paint(g);
    }

    public void paint(Graphics g) {
        Font f=new Font("TimesRoman",Font.BOLD,48);
        FontMetrics fm=getFontMetrics(f);
        g.setFont(f);
        int width=fm.stringWidth(bef);
        g.setColor(new Color(0,0,225));
        g.drawString(msg,0,48);
        g.setColor(new Color(255,255,255));
        g.drawString(cen,width,48);
    }

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

    public void run() {
        int i;
        while (true) {
            try {
                for (i=0;i<no-1;i++) {
                    bef=msg.substring(0,i);
                    cen=msg.substring(i,i+1);
                    th.sleep(100);
                    repaint();
                }
                th.sleep(wait);
            }
            catch(InterruptedException e){}
         }
    }

    public void stop() {
        if(th!=null) {
            th.stop();
            th=null;
        }
    }
}