import javax.media.*;import javax.swing.*;import java.io.*;import java.awt.*;import java.awt.event.*;import java.util.Vector;public class mp3 extends JFrame implements ActionListener {	private Player player;	private JButton play_btn,next_btn,stop_btn;	private File fl[];	private int count=0;	boolean status=false;	private JMenuItem open_f,exit_f;	private Vector list;	public mp3 ()	{		JMenu file=new JMenu("File");				open_f=new JMenuItem("ADD...");		exit_f=new JMenuItem("Exit");									open_f.addActionListener (this);		exit_f.addActionListener (this);					file.add (open_f);		file.add (exit_f);								JMenuBar bar=new JMenuBar();		bar.add (file);						play_btn=new JButton("PLAY");		next_btn=new JButton("NEXT");		stop_btn=new JButton("STOP");		next_btn.setEnabled (false);		stop_btn.setEnabled (false);		JPanel panel=new JPanel(new GridLayout(1,3));				panel.add (play_btn);		panel.add(next_btn);		panel.add(stop_btn);				//File f=new File("c:/ksm/mp3");		list=new Vector(1,1);				play_btn.addActionListener(this);		next_btn.addActionListener(this);		stop_btn.addActionListener(this);				Container c=getContentPane();		c.add(panel,BorderLayout.SOUTH);		super.setJMenuBar (bar);		super.setResizable (false);		super.setBounds (10,10,400,100);		super.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);		super.setVisible (true);											}		public void actionPerformed (ActionEvent e)	{				if(e.getSource ()==play_btn)		{			play_btn.setEnabled (false);			next_btn.setEnabled (true);			stop_btn.setEnabled (true);			play_mp3(count);									}		if(e.getSource ()==next_btn)		{			if(count==list.size()-1)			{				count=0;							}						else 			{				count++;			}			play_mp3(count);								}		if(e.getSource ()==stop_btn)		{			player.stop ();			play_btn.setEnabled (true);			next_btn.setEnabled (false);			stop_btn.setEnabled (false);						}		if(e.getSource ()==open_f)		{			System.out.println("in open_f event");			open();		}			if(e.getSource ()==exit_f)		{			System.out.println("in exit_f event");			super.setDefaultCloseOperation (JFrame.EXIT_ON_CLOSE);			super.dispose();		}					}	public void play_mp3(int v)	{		if(status==true)		{			player.stop();			status=false;		}				if(status==false)		{			try			{				File temp=(File)list.get(v);				player=Manager.createPlayer(temp.toURL ());				super.setTitle("MP3 player   "+temp.getName());				player.start();				status=true;			}			catch(Exception murle)			{				System.out.println("in murle");			}		}			}	public void open()	 {	 	JFileChooser fc=new JFileChooser("C:ksm/mp3");	 	fc.setFileSelectionMode (JFileChooser.FILES_ONLY);	 	filter filter=new filter("mp3");	 	fc.addChoosableFileFilter (filter);	 	int result=fc.showOpenDialog (open_f);	 	if(result==JFileChooser.APPROVE_OPTION)	 	{	 		File f=fc.getSelectedFile ();	 		if(f.exists ()==true && f.isFile ()==true)	 		{	 				 			list.add (f);	 			for(int i=0;i<list.size ();i++)	 			{	 				System.out.println(list.get (i));	 			}	 		}	 		else	 		JOptionPane.showMessageDialog (this,"invalid file selected","Invalid File",	 			JOptionPane.ERROR_MESSAGE);	 	}	 			 }	public static void main(String arg[]) 	{		mp3 obj=new mp3();		obj.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);	}				}