--- old/src/java.desktop/macosx/classes/com/apple/laf/AquaTabbedPaneUI.java	2015-09-26 17:35:12.318787456 +0200
+++ new/src/java.desktop/macosx/classes/com/apple/laf/AquaTabbedPaneUI.java	2015-09-26 17:35:12.186787454 +0200
@@ -845,7 +845,7 @@
         boolean isDefaultFocusReceiver(final JComponent component) {
             if (isDefaultFocusReceiver == null) {
                 Component defaultFocusReceiver = KeyboardFocusManager.getCurrentKeyboardFocusManager().getDefaultFocusTraversalPolicy().getDefaultComponent(getTopLevelFocusCycleRootAncestor(component));
-                isDefaultFocusReceiver = new Boolean(defaultFocusReceiver != null && defaultFocusReceiver.equals(component));
+                isDefaultFocusReceiver = Boolean.valueOf(defaultFocusReceiver != null && defaultFocusReceiver.equals(component));
             }
             return isDefaultFocusReceiver.booleanValue();
         }