1 files changed, 10 insertions, 1 deletions
diff --git a/src/share/classes/java/text/CalendarBuilder.java b/src/share/classes/java/text/CalendarBuilder.java
index 0b73cd2ba9..a8246b676c 100644
--- a/src/share/classes/java/text/CalendarBuilder.java
+++ b/src/share/classes/java/text/CalendarBuilder.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -91,6 +91,15 @@ class CalendarBuilder {
         return field[index] > UNSET;
     }
 
+    CalendarBuilder clear(int index) {
+        if (index == ISO_DAY_OF_WEEK) {
+            index = DAY_OF_WEEK;
+        }
+        field[index] = UNSET;
+        field[MAX_FIELD + index] = 0;
+        return this;
+    }
+
     Calendar establish(Calendar cal) {
         boolean weekDate = isSet(WEEK_YEAR)
                             && field[WEEK_YEAR] > field[YEAR];