+1
-Aleksey
On 02/22/2017 10:19 PM, Paul Sandoz wrote:
> Hi
>
> Please review this small documentation fix to the averaging functions on
> java.util.stream.Collectors.
>
> Paul.
>
> diff -r 29059b8ecc7f
> src/java.base/share/classes/java/util/stream/Collectors.java
> --- a/src/java.base/share/classes/java/util/stream/Collectors.java Tue Feb
> 21 05:58:23 2017 -0800
> +++ b/src/java.base/share/classes/java/util/stream/Collectors.java Wed Feb
> 22 12:59:06 2017 -0800
> @@ -720,8 +720,9 @@
> * the result is 0.
> *
> * @param <T> the type of the input elements
> - * @param mapper a function extracting the property to be summed
> - * @return a {@code Collector} that produces the sum of a derived
> property
> + * @param mapper a function extracting the property to be averaged
> + * @return a {@code Collector} that produces the arithmetic mean of a
> + * derived property
> */
> public static <T> Collector<T, ?, Double>
> averagingInt(ToIntFunction<? super T> mapper) {
> @@ -738,8 +739,9 @@
> * the result is 0.
> *
> * @param <T> the type of the input elements
> - * @param mapper a function extracting the property to be summed
> - * @return a {@code Collector} that produces the sum of a derived
> property
> + * @param mapper a function extracting the property to be averaged
> + * @return a {@code Collector} that produces the arithmetic mean of a
> + * derived property
> */
> public static <T> Collector<T, ?, Double>
> averagingLong(ToLongFunction<? super T> mapper) {
> @@ -769,8 +771,9 @@
> * 2<sup>53</sup>, leading to additional numerical errors.
> *
> * @param <T> the type of the input elements
> - * @param mapper a function extracting the property to be summed
> - * @return a {@code Collector} that produces the sum of a derived
> property
> + * @param mapper a function extracting the property to be averaged
> + * @return a {@code Collector} that produces the arithmetic mean of a
> + * derived property
> */
> public static <T> Collector<T, ?, Double>
> averagingDouble(ToDoubleFunction<? super T> mapper) {
>
