Java-创建文件和目录

Question

Assume final String fname = "/dir1/dir2/fname.ext" . I do not wish to parse the string recursively in order to create the directories if they do not exist, and only then write to a file. I wish to use the given string, fname , for creating the directories and file if each of which does not exist.

Answer 1

This is the code you are looking for:

File myFile = new File("/dir1/dir2/fname.ext");
myFile.getParentFile().mkdirs();
// do your writing being sure the parent directories exist.

Answer 2

You can use mkdirs to create the path.

File f = new File("/dir1/dir2/fname.ext");
f.getParentFile().mkdirs();

And then work on the file itself.