hg: jdk9/sandbox/jdk: 7113878: LogManager - namedLoggers should be ConcurrentHashMap instead of Hashtable

[chris.hegarty at oracle.com]

Changeset: 4abd26029802
Author:    dfuchs
Date:      2015-04-02 16:24 +0200
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/4abd26029802

7113878: LogManager - namedLoggers should be ConcurrentHashMap instead of Hashtable
Summary: namedLoggers is now a ConcurrentHashMap. findLogger is updated to take benefit of the change.
Reviewed-by: dholmes, lancea, martin, mchung, plevart
Contributed-by: Peter Levart <peter.levart at gmail.com>, Daniel Fuchs <daniel.fuchs at oracle.com>

! src/java.logging/share/classes/java/util/logging/LogManager.java
+ test/java/util/logging/LogManager/TestLoggerNames.java