如何在 Java 中迭代某个目录的文件? [英] How to iterate over the files of a certain directory, in Java?

问题描述

可能的重复:
在 java 中遍历目录的最佳方法?

我想使用 Java 处理某个目录中的每个文件.

I want to process each file in a certain directory using Java.

最简单(也是最常见)的方法是什么?

What is the easiest (and most common) way of doing this?

推荐答案

如果myDirectoryPath中有目录名，

import java.io.File;
...
  File dir = new File(myDirectoryPath);
  File[] directoryListing = dir.listFiles();
  if (directoryListing != null) {
    for (File child : directoryListing) {
      // Do something with child
    }
  } else {
    // Handle the case where dir is not really a directory.
    // Checking dir.isDirectory() above would not be sufficient
    // to avoid race conditions with another process that deletes
    // directories.
  }

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