Developers like the easy interfaces and XML-based configuration that accelerate J2EE development time and ease unit testing.

开发人员喜欢使用易用的接口和基于XML的配置加速J2EE开发和轻松地进行单元测试。

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First in time is calculated based on the time when the unit of work was created.

First in time根据工作单元创建的时间计算。

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Last in time is calculated based on the time when the most recent event was added to a unit of work.

Last in time根据最近事件添加到工作单元的时间计算。

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