问答题

阅读下列程序，写出程序功能。
import java.applet.*;
import java.awt.*;
import java.awt.event.*;
public class Class36004 extends Applet implements KeyListener
{
int count=0;
TextArea text=new TextArea(5,20);
public void init()
{
add(text);
text.addKeyListener(this);
}
public void keyPressed(KeyEvent e)
{
int t=e.getKeyCode();
if(t＞=KeyEvent.VK_0 && t＜=KeyEvent.VK_9)
{
text.appeqd("*");count ++;
if(count%10==0)text.append("\n");
}
else
text.setEditable(false);
public void keyTyped(KeyEvent e){}
public void keyReleased(KeyEvent e){}
}