The following code will stub the system class Date to always return the same date, say Ground Hog Day, as in Listing 6.

下面的代码对系统类 Date 进行 stub 以便总是返回相同的日期，比如 Ground Hog Day，如清单 6 所示。

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Have you ever heard of Ground-hog Day?

你听说过美洲旱獭节吗？

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