--- old/src/share/classes/java/util/EnumMap.java 2010-12-15 14:40:40.707483786 -0800 +++ new/src/share/classes/java/util/EnumMap.java 2010-12-15 14:40:40.483307735 -0800 @@ -499,7 +499,7 @@ int j = 0; for (int i = 0; i < vals.length; i++) if (vals[i] != null) - a[j++] = new AbstractMap.SimpleEntry( + a[j++] = new AbstractMap.SimpleEntry<>( keyUniverse[i], unmaskNull(vals[i])); return a; }