--- old/src/java.base/share/classes/java/util/ResourceBundle.java	2016-09-14 20:48:11.000000000 +0000
+++ new/src/java.base/share/classes/java/util/ResourceBundle.java	2016-09-14 20:48:11.000000000 +0000
@@ -2496,9 +2496,7 @@
          *
          * @see #getFormats(String)
          */
-        public static final List<String> FORMAT_DEFAULT
-            = Collections.unmodifiableList(Arrays.asList("java.class",
-                                                         "java.properties"));
+        public static final List<String> FORMAT_DEFAULT = List.of("java.class", "java.properties");
 
         /**
          * The class-only format <code>List</code> containing
@@ -2507,8 +2505,7 @@
          *
          * @see #getFormats(String)
          */
-        public static final List<String> FORMAT_CLASS
-            = Collections.unmodifiableList(Arrays.asList("java.class"));
+        public static final List<String> FORMAT_CLASS = List.of("java.class");
 
         /**
          * The properties-only format <code>List</code> containing
@@ -2517,8 +2514,7 @@
          *
          * @see #getFormats(String)
          */
-        public static final List<String> FORMAT_PROPERTIES
-            = Collections.unmodifiableList(Arrays.asList("java.properties"));
+        public static final List<String> FORMAT_PROPERTIES = List.of("java.properties");
 
         /**
          * The time-to-live constant for not caching loaded resource bundle