Random Huruf

Cara membuat tulisan huruf dengan menggunakan java(Netbeans) secara random dengan beraneka ragam ukuran dan warna.

/*
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* and open the template in the editor.
*/
/**
*
* @author Jacka Santosa
*/
import java.awt.*;
import java.applet.*;

public class RandomHuruf extends Applet implements Runnable
{
Thread runner;
Image Buffer;
Graphics gBuffer;
String alphabet="ABCDEFGHIJKLMNOPQRSTUVWXYZ";
int ticker;

public void init()
{
//create graphics buffer, the size of the applet
Buffer=createImage(size().width,size().height);
gBuffer=Buffer.getGraphics();
}

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

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

public void run()
{
while(true)
{
try {runner.sleep(50);}
catch (Exception e) { }

repaint();
}
}

public void drawStuff()
{
//repaint background after 20 seconds
if(ticker==0)
{
gBuffer.setColor(Color.black);
gBuffer.fillRect(0,0,size().width,size().height);
}

ticker++;
if(ticker>400)
ticker=0;

//random font size 10..50
int fontSize=(int)(Math.random()*40)+10;

//random font color
int red=(int)(Math.random()*255);
int green=(int)(Math.random()*255);
int blue=(int)(Math.random()*255);
gBuffer.setColor(new Color(red, green, blue));

//random coordinates within the applet bounderies
int x=(int)(Math.random()*size().width);
int y=(int)(Math.random()*size().height);

//random substring from the alphabet string (one out of 26 characters)
int character=(int)(Math.random()*26);
String s=alphabet.substring(character, character+1);

gBuffer.setFont(new Font("TimesRoman", Font.PLAIN, fontSize));
gBuffer.drawString(s,x,y);
}

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

public void paint(Graphics g)
{
drawStuff();
g.drawImage (Buffer,0,0, this);
}
}