--- old/src/java.base/share/classes/java/time/Duration.java	2016-01-05 22:00:23.361149740 +0300
+++ new/src/java.base/share/classes/java/time/Duration.java	2016-01-05 22:00:23.134149740 +0300
@@ -1194,6 +1194,7 @@
      * This instance is immutable and unaffected by this method call.
      *
      * @return the whole seconds part of the length of the duration, positive or negative
+     * @since 9
      */
     public long toSeconds() {
         return seconds;
@@ -1243,6 +1244,7 @@
      * This instance is immutable and unaffected by this method call.
      *
      * @return the number of days in the duration, may be negative
+     * @since 9
      */
     public long toDaysPart(){
         return seconds / SECONDS_PER_DAY;
@@ -1258,6 +1260,7 @@
      * This instance is immutable and unaffected by this method call.
      *
      * @return the number of hours part in the duration, may be negative
+     * @since 9
      */
     public int toHoursPart(){
         return (int) (toHours() % 24);
@@ -1273,7 +1276,7 @@
      * This instance is immutable and unaffected by this method call.
      *
      * @return the number of minutes parts in the duration, may be negative
-     * may be negative
+     * @since 9
      */
     public int toMinutesPart(){
         return (int) (toMinutes() % MINUTES_PER_HOUR);
@@ -1289,6 +1292,7 @@
      * This instance is immutable and unaffected by this method call.
      *
      * @return the number of seconds parts in the duration, may be negative
+     * @since 9
      */
     public int toSecondsPart(){
         return (int) (seconds % SECONDS_PER_MINUTE);
@@ -1306,6 +1310,7 @@
      * This instance is immutable and unaffected by this method call.
      *
      * @return the number of milliseconds part of the duration.
+     * @since 9
      */
     public int toMillisPart(){
         return nanos / 1000_000;
@@ -1322,6 +1327,7 @@
      * This instance is immutable and unaffected by this method call.
      *
      * @return the nanoseconds within the second part of the length of the duration, from 0 to 999,999,999
+     * @since 9
      */
     public int toNanosPart(){
         return nanos;