This article USES the ActiveMQ implementation of JMS, which is an open source project from the Apache Software Foundation and is licensed with the Apache license.
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Apache Derby 项目发布的软件是基于 IBM 赠给 Apache 软件基金会的技术基础上的开放源码数据库。
The software released by the Apache Derby project is an open source database system based on technology donated to the Apache Software Foundation by IBM.