jdk/src/java.base/share/classes/java/lang/String.java

*** 2672,2682 ****
       * from this sequence.  Any char which maps to a <a
       * href="{@docRoot}/java/lang/Character.html#unicode">surrogate code
       * point</a> is passed through uninterpreted.
       *
       * @return an IntStream of char values from this sequence
!      * @since 1.9
       */
      @Override
      public IntStream chars() {
          return StreamSupport.intStream(
              isLatin1() ? new StringLatin1.CharsSpliterator(value, Spliterator.IMMUTABLE)
--- 2672,2682 ----
       * from this sequence.  Any char which maps to a <a
       * href="{@docRoot}/java/lang/Character.html#unicode">surrogate code
       * point</a> is passed through uninterpreted.
       *
       * @return an IntStream of char values from this sequence
!      * @since 9
       */
      @Override
      public IntStream chars() {
          return StreamSupport.intStream(
              isLatin1() ? new StringLatin1.CharsSpliterator(value, Spliterator.IMMUTABLE)
*** 2692,2702 ****
       * to the stream. Any other code units, including ordinary BMP characters,
       * unpaired surrogates, and undefined code units, are zero-extended to
       * {@code int} values which are then passed to the stream.
       *
       * @return an IntStream of Unicode code points from this sequence
!      * @since 1.9
       */
      @Override
      public IntStream codePoints() {
          return StreamSupport.intStream(
              isLatin1() ? new StringLatin1.CharsSpliterator(value, Spliterator.IMMUTABLE)
--- 2692,2702 ----
       * to the stream. Any other code units, including ordinary BMP characters,
       * unpaired surrogates, and undefined code units, are zero-extended to
       * {@code int} values which are then passed to the stream.
       *
       * @return an IntStream of Unicode code points from this sequence
!      * @since 9
       */
      @Override
      public IntStream codePoints() {
          return StreamSupport.intStream(
              isLatin1() ? new StringLatin1.CharsSpliterator(value, Spliterator.IMMUTABLE)