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8175360: Error in Collectors.averagingXXX Java Doc

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Reviewed-by: shade
This commit is contained in:
Paul Sandoz 2017-02-23 13:09:54 -08:00
parent 8a8790a38b
commit ee9cc8cd7e
1 changed files with 9 additions and 6 deletions

15
jdk/src/java.base/share/classes/java/util/stream/Collectors.java

@ -720,8 +720,9 @@ public final class Collectors {
* 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 @@ public final class Collectors {
* 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 @@ public final class Collectors {
* 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) {