title: java: Trigger KeyEvent without focus on button or apply focus on multiple buttons to trigger KeyEvent
body: <p>I'm making a drum app which has buttons that serves as my drums. What I want is that the buttons will trigger upon key press so the user can play drums with the keyboard.</p>
  
  <p>I'm using the keyTyped event of a button to execute a sound using a key. It works fine but first the focus needs to be on that specific button first as a result I can't trigger those seperate buttons upon key press because the focus is only in one button.</p>
  
  <pre><code>private void btnBassDrumKeyTyped(java.awt.event.KeyEvent evt) {                                     
    if(evt.getKeyChar() == KeyEvent.VK_V){
  
          try{
                  music=new FileInputStream(new File(bassSound));
                  AudioStream audios=new AudioStream(music);
                  AudioPlayer.player.start(audios);
                  }
                  catch(Exception e){
                      JOptionPane.showMessageDialog(null,e.getLocalizedMessage());
                  }     
     }
  }
  </code></pre>
  
  <p>The solutions I can think of are: Applying multiple focuses upon form load(if possible), use different way to trigger button event upon key press(not through KeyListener and KeyEvent). </p>
  
  <p>Do you guys know how to implement these solutions or if you have your own solution can you teach me?  Thanks guys! :)</p>