src/java.base/share/classes/java/util/concurrent/LinkedTransferQueue.java

*** 887,896 ****
--- 887,897 ----
       *
       * <p>This method acts as bridge between array-based and collection-based
       * APIs.
       *
       * @return an array containing all of the elements in this queue
+      * @since 9
       */
      public Object[] toArray() {
          return toArrayInternal(null);
      }
  
*** 926,935 ****
--- 927,937 ----
       * @return an array containing all of the elements in this queue
       * @throws ArrayStoreException if the runtime type of the specified array
       *         is not a supertype of the runtime type of every element in
       *         this queue
       * @throws NullPointerException if the specified array is null
+      * @since 9
       */
      @SuppressWarnings("unchecked")
      public <T> T[] toArray(T[] a) {
          Objects.requireNonNull(a);
          return (T[]) toArrayInternal(a);
*** 1617,1642 ****
--- 1619,1647 ----
          tail = t;
      }
  
      /**
       * @throws NullPointerException {@inheritDoc}
+      * @since 9
       */
      public boolean removeIf(Predicate<? super E> filter) {
          Objects.requireNonNull(filter);
          return bulkRemove(filter);
      }
  
      /**
       * @throws NullPointerException {@inheritDoc}
+      * @since 9
       */
      public boolean removeAll(Collection<?> c) {
          Objects.requireNonNull(c);
          return bulkRemove(e -> c.contains(e));
      }
  
      /**
       * @throws NullPointerException {@inheritDoc}
+      * @since 9
       */
      public boolean retainAll(Collection<?> c) {
          Objects.requireNonNull(c);
          return bulkRemove(e -> !c.contains(e));
      }
*** 1715,1724 ****
--- 1720,1730 ----
          }
      }
  
      /**
       * @throws NullPointerException {@inheritDoc}
+      * @since 9
       */
      public void forEach(Consumer<? super E> action) {
          Objects.requireNonNull(action);
          forEachFrom(action, head);
      }