## Uses of Class
java.nio.file.attribute.UserPrincipalLookupService

- Packages that use UserPrincipalLookupService
  Package | Description
  --- | ---
  java.nio.file | Defines interfaces and classes for the Java virtual machine to access files, file attributes, and file systems.

- - ### Uses of UserPrincipalLookupService in java.nio.file

    Methods in java.nio.file that return UserPrincipalLookupService
    Modifier and Type | Method | Description
    --- | --- | ---
    `abstract UserPrincipalLookupService` | FileSystem.`getUserPrincipalLookupService()` Returns the `UserPrincipalLookupService` for this file system (optional operation).

Submit a bug or feature
For further API reference and developer documentation, see Java SE Documentation. That documentation contains more detailed, developer-targeted descriptions, with conceptual overviews, definitions of terms, workarounds, and working code examples.
Copyright © 1993, 2026, Oracle and/or its affiliates. All rights reserved. Use is subject to license terms. Also see the documentation redistribution policy.