# Uses of Interface
java.nio.file.WatchService

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

## Uses of WatchService in java.nio.file

Methods in java.nio.file that return WatchService
Modifier and Type
Method
Description
`abstract WatchService`
FileSystem.`newWatchService()`
Constructs a new `WatchService` (optional operation).
Methods in java.nio.file with parameters of type WatchService
Modifier and Type
Method
Description
`default WatchKey`
Path.`register(WatchService watcher, WatchEvent.Kind<?>... events)`
Registers the file located by this path with a watch service.
`WatchKey`
Path.`register(WatchService watcher, WatchEvent.Kind<?>[] events, WatchEvent.Modifier... modifiers)`
Registers the file located by this path with a watch service.
`WatchKey`
Watchable.`register(WatchService watcher, WatchEvent.Kind<?>... events)`
Registers an object with a watch service.
`WatchKey`
Watchable.`register(WatchService watcher, WatchEvent.Kind<?>[] events, WatchEvent.Modifier... modifiers)`
Registers an object with a watch service.