Integrated: 8273261: Replace 'while' cycles with iterator with enhanced-for in java.base

[Andrey Turbanov]

On Wed, 1 Sep 2021 07:37:53 GMT, Andrey Turbanov <github.com+741251+turbanoff at openjdk.org> wrote:

> There are few places in code where manual while loop is used with Iterator to iterate over Collection.
> Instead of manual while cycles it's preferred to use enhanced-for cycle instead: it's less verbose, makes code easier to read and it's less error-prone.
> It doesn't have any performance impact: java compiler generates similar code when compiling enhanced-for cycle.
> 
> Similar cleanups:
> * https://bugs.openjdk.java.net/browse/JDK-8258006
> * https://bugs.openjdk.java.net/browse/JDK-8257912

This pull request has now been integrated.

Changeset: 56b8b352
Author:    Andrey Turbanov <turbanoff at gmail.com>
Committer: Roger Riggs <rriggs at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/56b8b35286634f2d2224ca445bc9f32ff284ae74
Stats:     93 lines in 11 files changed: 1 ins; 50 del; 42 mod

8273261: Replace 'while' cycles with iterator with enhanced-for in java.base

Reviewed-by: dfuchs, rriggs, iris, mullan

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PR: https://git.openjdk.java.net/jdk/pull/5328