Uses of Interface java.nio.file.attribute.GroupPrincipal (Java Platform SE 8 )
Date: 2026-08-19

## Uses of Interface
java.nio.file.attribute.GroupPrincipal

- Packages that use GroupPrincipal
  Package | Description
  --- | ---
  java.nio.file.attribute | Interfaces and classes providing access to file and file system attributes.

- - ### Uses of GroupPrincipal in java.nio.file.attribute

    Methods in java.nio.file.attribute that return GroupPrincipal
    Modifier and Type | Method and Description
    --- | ---
    `GroupPrincipal` | PosixFileAttributes.`group()` Returns the group owner of the file.
    `abstract GroupPrincipal` | UserPrincipalLookupService.`lookupPrincipalByGroupName(String group)` Lookup a group principal by group name.

    Methods in java.nio.file.attribute with parameters of type GroupPrincipal
    Modifier and Type | Method and Description
    --- | ---
    `void` | PosixFileAttributeView.`setGroup(GroupPrincipal group)` Updates the file group-owner.

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