490         if (l == null) {
 491             return;
 492         }
 493         actionListener = AWTEventMulticaster.remove(actionListener, l);
 494     }
 495 
 496     /**
 497      * Returns an array of all the action listeners
 498      * registered on this textfield.
 499      *
 500      * @return all of this textfield's <code>ActionListener</code>s
 501      *         or an empty array if no action
 502      *         listeners are currently registered
 503      *
 504      * @see #addActionListener
 505      * @see #removeActionListener
 506      * @see     java.awt.event#ActionListener
 507      * @since 1.4
 508      */
 509     public synchronized ActionListener[] getActionListeners() {
 510         return (ActionListener[])(getListeners(ActionListener.class));
 511     }
 512 
 513     /**
 514      * Returns an array of all the objects currently registered
 515      * as <code><em>Foo</em>Listener</code>s
 516      * upon this <code>TextField</code>.
 517      * <code><em>Foo</em>Listener</code>s are registered using the
 518      * <code>add<em>Foo</em>Listener</code> method.
 519      *
 520      * <p>
 521      * You can specify the <code>listenerType</code> argument
 522      * with a class literal, such as
 523      * <code><em>Foo</em>Listener.class</code>.
 524      * For example, you can query a
 525      * <code>TextField</code> <code>t</code>
 526      * for its action listeners with the following code:
 527      *
 528      * <pre>ActionListener[] als = (ActionListener[])(t.getListeners(ActionListener.class));</pre>
 529      *
 530      * If no such listeners exist, this method returns an empty array.

 490         if (l == null) {
 491             return;
 492         }
 493         actionListener = AWTEventMulticaster.remove(actionListener, l);
 494     }
 495 
 496     /**
 497      * Returns an array of all the action listeners
 498      * registered on this textfield.
 499      *
 500      * @return all of this textfield's <code>ActionListener</code>s
 501      *         or an empty array if no action
 502      *         listeners are currently registered
 503      *
 504      * @see #addActionListener
 505      * @see #removeActionListener
 506      * @see     java.awt.event#ActionListener
 507      * @since 1.4
 508      */
 509     public synchronized ActionListener[] getActionListeners() {
 510         return getListeners(ActionListener.class);
 511     }
 512 
 513     /**
 514      * Returns an array of all the objects currently registered
 515      * as <code><em>Foo</em>Listener</code>s
 516      * upon this <code>TextField</code>.
 517      * <code><em>Foo</em>Listener</code>s are registered using the
 518      * <code>add<em>Foo</em>Listener</code> method.
 519      *
 520      * <p>
 521      * You can specify the <code>listenerType</code> argument
 522      * with a class literal, such as
 523      * <code><em>Foo</em>Listener.class</code>.
 524      * For example, you can query a
 525      * <code>TextField</code> <code>t</code>
 526      * for its action listeners with the following code:
 527      *
 528      * <pre>ActionListener[] als = (ActionListener[])(t.getListeners(ActionListener.class));</pre>
 529      *
 530      * If no such listeners exist, this method returns an empty array.