<i18n dev> Integrated: 8272756: Remove unnecessary explicit initialization of volatile variables in java.desktop

Сергей Цыпанов github.com+10835776+stsypanov at openjdk.java.net
Fri Oct 8 16:04:11 UTC 2021


On Fri, 20 Aug 2021 09:41:15 GMT, Сергей Цыпанов <github.com+10835776+stsypanov at openjdk.org> wrote:

> This is a continuation of
> 
> - https://bugs.openjdk.java.net/browse/JDK-6736490
> - https://bugs.openjdk.java.net/browse/JDK-8035284
> - https://bugs.openjdk.java.net/browse/JDK-8145680
> - https://bugs.openjdk.java.net/browse/JDK-8251548
> 
> As mentioned in JDK-6736490:
> 
> _An explicit initialization of a volatile class instance variable, such as private volatile Object = null; or private volatile int scale = 0; is unnecessary since the Java spec automatically initializes objects to null and primitive type short, int, long, float and double to 0 and boolean to false. Explicit initialization of volatile variable to a value the same as the default implicit initialized value results in an unnecessary store and membar operation._

This pull request has now been integrated.

Changeset: ccbce107
Author:    Sergey Tsypanov <sergei.tsypanov at yandex.ru>
Committer: Jayathirth D V <jdv at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/ccbce107f299c3b1c444e819c1fda7ae3c4866b5
Stats:     54 lines in 28 files changed: 0 ins; 0 del; 54 mod

8272756: Remove unnecessary explicit initialization of volatile variables in java.desktop

Reviewed-by: jdv, aivanov

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PR: https://git.openjdk.java.net/jdk/pull/5197


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