--- old/src/share/classes/java/awt/Component.java	2012-03-29 18:26:30.859867800 +0400
+++ new/src/share/classes/java/awt/Component.java	2012-03-29 18:26:30.132826200 +0400
@@ -7169,6 +7169,10 @@
      * Set from its parent. If all ancestors of this Component have null
      * specified for the Set, then the current KeyboardFocusManager's default
      * Set is used.
+     * <p>
+     * This method may throw a <code>ClassCastException</code> if any 
+     * <code>Object</code> in <code>keystrokes</code> is not an 
+     * <code>AWTKeyStroke</code>.
      *
      * @param id one of KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS,
      *        KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, or
@@ -7182,8 +7186,7 @@
      *         KeyboardFocusManager.FORWARD_TRAVERSAL_KEYS,
      *         KeyboardFocusManager.BACKWARD_TRAVERSAL_KEYS, or
      *         KeyboardFocusManager.UP_CYCLE_TRAVERSAL_KEYS, or if keystrokes
-     *         contains null, or if any Object in keystrokes is not an
-     *         AWTKeyStroke, or if any keystroke represents a KEY_TYPED event,
+     *         contains null, or if any keystroke represents a KEY_TYPED event,
      *         or if any keystroke already maps to another focus traversal
      *         operation for this Component
      * @since 1.4