import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;

public class Hello extends DefaultButtonModel{

  public Hello(){
    super();
  }

  protected void fireItemStateChanged(ItemEvent e)
  {
    System.out.println("state changed fired: "+e);
  }
  protected void fireActionPerformed(ActionEvent e)
  {
    System.out.println("action performed fired: "+e);
  }
  protected void fireStateChanged()
  {
    System.out.println("statechanged()");
  }
  
  public static void main(String[] args){
    Hello h = new Hello();
    h.setPressed(true);
  }
}