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8180428: Clarify implementation note in Clock.java to match implementation changes made by JDK-8068730

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Reviewed-by: dholmes, scolebourne
This commit is contained in:
Daniel Fuchs 2017-05-23 11:33:01 +01:00
parent 20eec3c5a8
commit b518bb5bcd
1 changed files with 7 additions and 4 deletions
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jdk/src/java.base/share/classes/java/time/Clock.java
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@ -127,10 +127,13 @@ import jdk.internal.misc.VM;
* document whether or not they do support serialization.
*
* @implNote
* The clock implementation provided here is based on {@link System#currentTimeMillis()}.
* That method provides little to no guarantee about the accuracy of the clock.
* Applications requiring a more accurate clock must implement this abstract class
* themselves using a different external clock, such as an NTP server.
* The clock implementation provided here is based on the same underlying clock
* as {@link System#currentTimeMillis()}, but may have a precision finer than
* milliseconds if available.
* However, little to no guarantee is provided about the accuracy of the
* underlying clock. Applications requiring a more accurate clock must implement
* this abstract class themselves using a different external clock, such as an
* NTP server.
*
* @since 1.8
*/