Norman Maurer 35576de9a2 Expose DefaultThreadFactory.threadGroup to sub-classes
Motivation:

DefaultThreadFactory allows to override the newThread(...) method and so should have access to all fields that are set via the constructor.

Modifications:

Change threadGroup from private to protected visibility.

Result:

Easier to extend DefaultThreadFactory.
2016-06-17 06:24:01 +02:00
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