So for instance, when you declare of field of type List, somewhere in the bytecode, this information is kept in the form of some meta-information, although this field is really just of type List.

例如，当你声明了类型为List的成员变量时，这个信息是在字节码的某个地方以某种元信息的方式保存的，尽管这个成员变量确实仅仅是List类型的。

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When the page is first invoked, a default list of headlines is displayed, and there's a form field in which you can type your choice of news category before resubmitting the page.

当页面第一次被调用时，将显示默认的标题列表，并且有一个表单字段，您可以在其中键入选择的新闻类别，然后再重新提交页面。

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Note that the form element Type is a drop-down list with three different choices, as shown in Figure 2

请注意：表单元素的类型是具有三个不同选项的下拉列表，如图 2 所示

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Four years from now, another candidate (or two) will likely ask you to sign up for some type of list, be it in app form or something else, to learn the identity of their running mate.

FORBES: Lesson Learned: Romney's VP App Fail Won't Be The Last