src/java.base/share/classes/java/util/Map.java

*** 730,741 ****
       * If the specified key is not already associated with a value (or is mapped
       * to {@code null}) associates it with the given value and returns
       * {@code null}, else returns the current value.
       *
       * @implSpec
!      * The default implementation is equivalent to, for this {@code
!      * map}:
       *
       * <pre> {@code
       * V v = map.get(key);
       * if (v == null)
       *     v = map.put(key, value);
--- 730,740 ----
       * If the specified key is not already associated with a value (or is mapped
       * to {@code null}) associates it with the given value and returns
       * {@code null}, else returns the current value.
       *
       * @implSpec
!      * The default implementation is equivalent to, for this {@code map}:
       *
       * <pre> {@code
       * V v = map.get(key);
       * if (v == null)
       *     v = map.put(key, value);