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import java.applet.Applet;
import java.awt.BorderLayout;
import java.awt.Component;
 
import javax.media.ControllerEvent;
import javax.media.ControllerListener;
import javax.media.Manager;
import javax.media.MediaLocator;
import javax.media.Player;
import javax.media.RealizeCompleteEvent;
 
 
public class JMFtest extends Applet implements ControllerListener {
 
	    private static final long serialVersionUID = 1L;
		private Player audioPlayer = null;
 
		public void init() {
            setLayout(new BorderLayout());
 
            MediaLocator mrl = new MediaLocator(new java.lang.String(
                    "file:///D:/XXXX.mpg"));    //mpg檔路徑
 
            try {
 
                audioPlayer = Manager.createPlayer(mrl);
                //System.out.println("test1:" + player);
                audioPlayer.addControllerListener(this);
                } 
            catch (Exception e) {
                System.err.println("Got exception " + e);
                }
           play();
		}
 
		public void play() {
			audioPlayer.start();
		}
 
		public void stop() {
			audioPlayer.stop();
			audioPlayer.close();
		}
 
 
		public synchronized void controllerUpdate(ControllerEvent event) {
            if (event instanceof RealizeCompleteEvent) {
                   Component comp;
                   if ((comp = audioPlayer.getVisualComponent()) != null)
                          add("Center", comp);
                   if ((comp = audioPlayer.getControlPanelComponent()) != null)
                          add("South", comp);
                   validate();
            }
        }
}

Main.java:13: class JMFtest is public, should be declared in a file named JMFtest.java
public class JMFtest extends Applet implements ControllerListener {
       ^
Main.java:5: package javax.media does not exist
import javax.media.ControllerEvent;
                  ^
Main.java:6: package javax.media does not exist
import javax.media.ControllerListener;
                  ^
Main.java:7: package javax.media does not exist
import javax.media.Manager;
                  ^
Main.java:8: package javax.media does not exist
import javax.media.MediaLocator;
                  ^
Main.java:9: package javax.media does not exist
import javax.media.Player;
                  ^
Main.java:10: package javax.media does not exist
import javax.media.RealizeCompleteEvent;
                  ^
Main.java:13: cannot find symbol
symbol: class ControllerListener
public class JMFtest extends Applet implements ControllerListener {
                                               ^
Main.java:16: cannot find symbol
symbol  : class Player
location: class JMFtest
		private Player audioPlayer = null;
		        ^
Main.java:46: cannot find symbol
symbol  : class ControllerEvent
location: class JMFtest
		public synchronized void controllerUpdate(ControllerEvent event) {
		                                          ^
Main.java:21: cannot find symbol
symbol  : class MediaLocator
location: class JMFtest
            MediaLocator mrl = new MediaLocator(new java.lang.String(
            ^
Main.java:21: cannot find symbol
symbol  : class MediaLocator
location: class JMFtest
            MediaLocator mrl = new MediaLocator(new java.lang.String(
                                   ^
Main.java:26: cannot find symbol
symbol  : variable Manager
location: class JMFtest
                audioPlayer = Manager.createPlayer(mrl);
                              ^
Main.java:47: cannot find symbol
symbol  : class RealizeCompleteEvent
location: class JMFtest
            if (event instanceof RealizeCompleteEvent) {
                                 ^
14 errors

Standard output is empty