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Asked: 2026-06-01T15:45:25+00:00

I am writing a Java application that writes a number of files, and later

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I am writing a Java application that writes a number of files, and later reads the files for their values. I am using InstallShield to install the application under C:\Program Files, and this is where the temporary files usually get created. However, when using Windows 7, the files are created under the users temporary folder instead, with a random name.

Here is my code…

File usersTemp = File.createTempFile("users", null,temp);

And this is the file that gets generated…

C:\Users\TP\AppData\Local\Temp\users2343200092608531612.tmp

As the file is generated with a random number, it makes it hard to retrieve the file back for processing. Is there a better way to do this?

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1 Answer

  1. Editorial Team

    Unless you’re running as a superuser (which you’re probably not), you can only edit files in the user’s home directory, which you can find with the user.home system property:

    System.getProperty("user.home")

    So, if you wanted to save a file in your application’s application data folder:

    File appDataFolder = new File(System.getProperty("user.home"), "Local Settings\\Application Data\\YourProgramName");

    Then save things under that folder and they will stick around.

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