--- old/src/java.base/share/classes/java/time/zone/ZoneRules.java	2016-10-07 20:49:49.000000000 +0000
+++ new/src/java.base/share/classes/java/time/zone/ZoneRules.java	2016-10-07 20:49:48.000000000 +0000
@@ -970,7 +970,7 @@
      * @return an immutable list of transition rules, not null
      */
     public List<ZoneOffsetTransitionRule> getTransitionRules() {
-        return Collections.unmodifiableList(Arrays.asList(lastRules));
+        return List.of(lastRules);
     }
 
     /**