private void notifyListeners(KeyEvent e){
		
		switch (e.getID()){
			case KeyEvent.KEY_PRESSED:
				for(KeyListener listener : keyListeners){
					listener.keyPressed(e);
				}
				break;
			case KeyEvent.KEY_RELEASED:
				for(KeyListener listener : keyListeners){
					listener.keyReleased(e);
				}
				break;
			case KeyEvent.KEY_TYPED:
				for(KeyListener listener : keyListeners){
					listener.keyTyped(e);
				}
				break;
		}
		
	}