Extended sample code (demonstrating file modification and deletion for the registered WatchKey in this section's example) is included in the sample code download.
示例代码下载中包含扩展的示例代码(展示了在这部分的例子中，为注册的WatchKey进行的文件修改与删除)。
Extended sample code (demonstrating file modification and deletion for the registered WatchKey in this section's example) is included in the sample code download.
示例代码下载中包含扩展的示例代码(展示了在这部分的例子中，为注册的WatchKey进行的文件修改与删除)。
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