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https://issues.apache.org/jira/browse/ROCKETMQ-215?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16064146#comment-16064146
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ASF GitHub Bot commented on ROCKETMQ-215:
-----------------------------------------
Github user zhouxinyu commented on the issue:
https://github.com/apache/incubator-rocketmq/pull/117
Hi, @dzyangxi any update?
> Use java 7 syntax to refator code base
> --------------------------------------
>
> Key: ROCKETMQ-215
> URL: https://issues.apache.org/jira/browse/ROCKETMQ-215
> Project: Apache RocketMQ
> Issue Type: Improvement
> Components: rocketmq-broker, rocketmq-namesrv, rocketmq-store
> Reporter: Jaskey Lam
> Assignee: yukon
> Priority: Minor
>
> code base may have some code like
> {code}
> private ConcurrentMap<String/* topic@group */, ConcurrentMap<Integer,
> Long>> offsetTable =
> new ConcurrentHashMap<String, ConcurrentMap<Integer, Long>>(512);
> {code}
> Atucally, with java7, it can be simplied to
> {code}
> private ConcurrentMap<String/* topic@group */, ConcurrentMap<Integer,
> Long>> offsetTable =
> new ConcurrentHashMap<>(512);
> {code}
> Which is cleaner.
> Since rocketmq broker require jdk which is greater or higher than java7, this
> can be improved.
> But rocketmq client should still remains compatible with jdk 1.6
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