题外话，在堆和栈的顶端，还有好几层，但是在技术段之下，他们被叫做初始化数据和未初始化数据。

Now, as an aside, there's another couple of layers at the very top above the stack and above the heap, but below the tech segment and those are called initialized data and uninitialized data.

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尽管未对数据执行序列化，但是当作为模板的一部分创建实例时，样例必须实现这个方法来涵盖组件初始化。

Although no data was serialized, the sample must implement this method to cover the component initialization when the instance is created as part of a template.

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WS - BPEL实际指定在分配空数据时抛出运行时错误，例如，如果分配的源是未初始化的部分。

WS-BPEL actually specifies that a runtime fault is thrown when empty data is assigned, for example, if the source of an assignment is an uninitialized part.

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