Norman Maurer f2b1d95164 Fix javadocs for ObjectUtil methods.
Motivation:

The javadocs for a few methds in ObjectUtil are not correct.

Modifications:

Add "not" where it was missing.

Result:

Fixes [#7455].
2017-12-06 20:51:30 +01:00
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2017-12-06 20:51:30 +01:00