How can i add an actionlistener to a JButton?

Question

I tried b1.addActionListener()But I need to put something in the brackets.
To which class does add ActionListener belong?

Answer 1

here is a small program ,,, you can run it and understand it ....
some people understand the code faster than actual description
import java.awt.*;
import javax.swing.*;
import java.awt.event.*;
class MyListeningProg1 {
public static void main(String[] args) {
  JFrame frame = new JFrame("HelloButton");
  Container pane = frame.getContentPane();
  JButton hello = new JButton("Hello, World");
  JButton goodbye = new JButton("Goodbye, World");
  JLabel lab = new JLabel("This is a label");
  ResponseHandler handler = new ResponseHandler();
  hello.addActionListener(handler);
  goodbye.addActionListener(handler);
  pane.setLayout(new GridLayout(3,1));
  pane.add(hello);
  pane.add(goodbye);
  pane.add(lab);
  frame.pack();
  frame.setSize(300, 200);
  frame.show();
class ResponseHandler implements ActionListener
        public void actionPerformed(ActionEvent e)
   if (e.getActionCommand().equals("Hello, World"))
       System.out.println("This is the first button");
      else
       System.out.println("This is the second button");
} //end of class ResponseHandlerhope this helped you a little