src/java.base/share/classes/java/lang/invoke/StringConcatFactory.java

*** 94,103 ****
--- 94,105 ----
   * to reserve a few empty slots on the parameter lists to to capture the
   * temporal results. This is why bootstrap methods in this factory do not accept
   * more than 200 argument slots. Users requiring more than 200 argument slots in
   * concatenation are expected to split the large concatenation in smaller
   * expressions.
+  *
+  * @since 9
   */
  public final class StringConcatFactory {
  
      /**
       * Tag used to demarcate an ordinary argument.