Hi everyone iam trying to learn awt and applets. The code below has compiled well but when i run it iam getting an Exception in thread main "Java.lang.NoSuchMethodError". Could any1 pls tell me where i have gone wrong.

import java.awt.*;
import java.applet.*;
import java.awt.event.*;
public class ButtonTest extends Applet
{
Button b1;
public void init()
{
Button b1= new Button("OK");
add(b1);
}
}