关于2.0的另外一个主要改进是一个更加健壮的基础平台，满足了定制组件（插件）、群组组件（容器）和组件初始化的要求。

The other major improvement for 2.0 in a more robust foundation in place for customizing components (plugins), grouping components (containers) and component initialization.

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批处理容器将在作业步骤的初始化期间调用 initialize 方法。

The initialize method is called by Batch Container during the initialization of the job step.

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这些方法是在已经注册的bean中实现的，最终由容器在bean初始化及其销毁之前调用它。

These methods are implemented in the registered bean and eventually called by the container upon the bean initialization and before its destruction.

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