Error message in player class..pls help!!

Question

Hi friends!
I am trying to create a receiver class implenting the "Player" of JMF for VoIP ..I get the following error in the last few lines of the code
"addControllerLstener(javax.media.ControllerListener) in javax.media.Controller cannot be implemented in receiever1"
import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import javax.swing.*;
import java.util.Vector;
import javax.media.*;
import javax.media.protocol.*;
import javax.media.format.*;
import javax.media.control.*;
//import javax.media.Controller.*;
import java.applet.*;
import javax.media.ControllerListener.*;
public class receiver1 {
    private static Player player;
     * @param args the command line arguments
    public boolean receiver1() {
        String url = "rtp://224.144.251.104:49150/audio/1";
        MediaLocator mrl = new MediaLocator(url);
        if (mrl == null) {
            System.err.println("Can't build MRL for RTP");
            return false;
        // Create a player for this rtp session
        try {
            player = Manager.createPlayer(mrl);
        } catch (NoPlayerException e) {
            System.err.println("Error:" + e);
            return false;
        } catch (MalformedURLException e) {
            System.err.println("Error:" + e);
            return false;
        } catch (IOException e) {
            System.err.println("Error:" + e);
            return false;
        if (player != null) {
            if (this.player == null) {
                this.player = player;
                player.addControllerListener(this);  --->get error here!
                player.realize();
                player.start();
}

Answer 1

sonigan wrote:
How do I do that Meacod ?Well- assuming what I'm saying is even correct- you should know how to use interfaces. If not, have a look here:
http://java.sun.com/docs/books/tutorial/java/concepts/interface.html