modules/javafx.base/src/main/java/javafx/util/converter/NumberStringConverter.java

@@ -112,10 +112,13 @@
     }
 
     /**
      * <p>Return a <code>NumberFormat</code> instance to use for formatting
      * and parsing in this {@link StringConverter}.</p>
+     *
+     * @return A {@code NumberFormat} instance for formatting and parsing in this
+     * {@link StringConverter}
      */
     protected NumberFormat getNumberFormat() {
         Locale _locale = locale == null ? Locale.getDefault() : locale;
 
         if (numberFormat != null) {