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src/java.desktop/share/classes/java/awt/event/FocusAdapter.java

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*** 28,48 **** /** * An abstract adapter class for receiving keyboard focus events. * The methods in this class are empty. This class exists as * convenience for creating listener objects. * <P> ! * Extend this class to create a <code>FocusEvent</code> listener * and override the methods for the events of interest. (If you implement the ! * <code>FocusListener</code> interface, you have to define all of * the methods in it. This abstract class defines null methods for them * all, so you can only have to define methods for events you care about.) * <P> * Create a listener object using the extended class and then register it with ! * a component using the component's <code>addFocusListener</code> * method. When the component gains or loses the keyboard focus, * the relevant method in the listener object is invoked, ! * and the <code>FocusEvent</code> is passed to it. * * @see FocusEvent * @see FocusListener * @see <a href="http://docs.oracle.com/javase/tutorial/uiswing/events/focuslistener.html">Tutorial: Writing a Focus Listener</a> * --- 28,48 ---- /** * An abstract adapter class for receiving keyboard focus events. * The methods in this class are empty. This class exists as * convenience for creating listener objects. * <P> ! * Extend this class to create a {@code FocusEvent} listener * and override the methods for the events of interest. (If you implement the ! * {@code FocusListener} interface, you have to define all of * the methods in it. This abstract class defines null methods for them * all, so you can only have to define methods for events you care about.) * <P> * Create a listener object using the extended class and then register it with ! * a component using the component's {@code addFocusListener} * method. When the component gains or loses the keyboard focus, * the relevant method in the listener object is invoked, ! * and the {@code FocusEvent} is passed to it. * * @see FocusEvent * @see FocusListener * @see <a href="http://docs.oracle.com/javase/tutorial/uiswing/events/focuslistener.html">Tutorial: Writing a Focus Listener</a> *
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