为Java程序中添加播放MIDI音乐功能

sp;map.put(s, s1);
                } catch (InvalidMidiDataException ex) {
                    Logger.getLogger(Test5.class.getName()).log(Level.SEVERE, null, ex);
                } catch (IOException ex) {
                    Logger.getLogger(Test5.class.getName()).log(Level.SEVERE, null, ex);
                }
            }
        } catch (MidiUnavailableException ex) {
            Logger.getLogger(Test5.class.getName()).log(Level.SEVERE, null, ex);
        }
        
    }
    private void createPlayer(String name){
        try {

            Sequence se=map.get(name);

            midi.setSequence(se);
            midi.start();

            
        }catch (InvalidMidiDataException ex) {
            Logger.getLogger(Test5.class.getName()).log(Level.SEVERE, null, ex);
        }
        
    }
    public void run(){
        while(true){
            try {
                System.out.println("换文件了."+(++i));
                String name=names[(int)(Math.random()*names.length)];
                createPlayer(name);
                Thread.sleep(10000);