android – File.deleteOnExit – 来自评论的Unix技巧

内容简介：这个答案有一个很好的解释：翻译自：https://stackoverflow.com/questions/22606121/file-deleteonexit-unix-trick-from-comments

* Use a {@code finally} clause to manually invoke {@link #delete}.
 * Maintain your own set of files to delete, and process it at an appropriate point
    in your application's lifecycle.
 * Use the Unix trick of deleting the file as soon as all readers and writers have
   opened it. No new readers/writers will be able to access the file, but all existing
   ones will still have access until the last one closes the file.

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