Java File.delete（）不会删除所有文件 [英] Java File.delete() does not delete all files

问题描述

我有以下Java代码，它会遍历目录中的所有文件并将其删除。

I have the following Java code which iterates through all the files in a directory and deletes them.

for(File file : tmpDir.listFiles())
{
    file.delete();
}

但是它不会删除所有文件。当我这样做时，通常会留下几千个中的20-30个。是否有可能解决此问题，或者我偶然发现了一些最好单独使用的Java伏都教徒？

It does however not delete all files. Some, usually 20-30, out of a couple of thousand, are left behind when I do this. Is it possible to fix this, or have I stumbled upon some Java voodoo that is best left alone?

推荐答案

强制垃圾回收器可以使用 System.gc（）; 来删除所有文件。

Forcing the garbage collector to run using System.gc(); made all the files deletable.

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