[問題] 如何讓joptionpane只顯示一次

[chickdcing (小雞)]

addKeyListener(new KeyListener(){ public  void keyPressed( KeyEvent event )
  {
  }

  public  void keyReleased( KeyEvent event )
  {
    if(decision[count-1]==1&&event.getKeyCode()==65)
      repaint();
    else if(decision[count-1]==0&&event.getKeyCode()==68)
      repaint();
    else if(decision[count-1]==2&&event.getKeyCode()==87)
      repaint();

    if(decision[count-1]==1&& event.getKeyCode()!=65)
      JOptionPane.showMessageDialog( null, "Fail!");
    else if(decision[count-1]==0&&event.getKeyCode()!=68)
      JOptionPane.showMessageDialog( null, "Fail!");
    else if(decision[count-1]==2&&event.getKeyCode()!=87)
      JOptionPane.showMessageDialog( null, "Fail!");





  }

  public  void keyTyped( KeyEvent event )
  {
  }});
  }


  這是我的小廢物小專題

  想請問各位大大  要怎樣讓她失敗的時候只顯示出一次

  fail  然後  怎樣讓遊戲重新開始呢?

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