--- old/src/share/classes/javax/swing/AbstractButton.java	2014-07-02 23:34:58.000000000 -0700
+++ new/src/share/classes/javax/swing/AbstractButton.java	2014-07-02 23:34:58.000000000 -0700
@@ -1123,7 +1123,7 @@
         }
     }
 
-    private boolean isListener(Class c, ActionListener a) {
+    private boolean isListener(Class<?> c, ActionListener a) {
         boolean isListener = false;
         Object[] listeners = listenerList.getListenerList();
         for (int i = listeners.length-2; i>=0; i-=2) {