src/share/classes/java/util/StringJoiner.java

rev 7727 : 8020539: Clean up doclint problems in java.util package, part 2
Summary: Clean up doclint errors and warnings in classes in java.util
Reviewed-by: darcy,chegar
Contributed-by: Brian Burkhalter <brian.burkhalter@oracle.com>

@@ -200,10 +200,11 @@
      * as a single element.
      *
      * @param other The {@code StringJoiner} whose contents should be merged
      *              into this one
      * @throws NullPointerException if the other {@code StringJoiner} is null
+     * @return This {@code StringJoiner}
      */
     public StringJoiner merge(StringJoiner other) {
         Objects.requireNonNull(other);
         if (other.value != null) {
             StringBuilder builder = prepareBuilder();