how to save file app data folder

Im working on a project and I need the program to store some of the property files and some t开发者_如何转开发ext files.

How could I save a file in the appdata folder on windows in java also what would be the linux equivalent of appdat? Thanks in advance

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Save the file to System.getenv("APPDATA")

AppData Java Docs

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Consider using a sub-directory of user.home to store the data.