Java Hierarchy For Package java.nio.file（JDK11）

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Class Hierarchy

java.lang.Object
- java.nio.file.Files
- java.nio.file.FileStore
- java.nio.file.FileSystem (implements java.io.Closeable)
- java.nio.file.FileSystems
- java.nio.file.Paths
- java.security.Permission (implements java.security.Guard, java.io.Serializable)
  - java.security.BasicPermission (implements java.io.Serializable)
    - java.nio.file.LinkPermission
- java.nio.file.SimpleFileVisitor<T> (implements java.nio.file.FileVisitor<T>)
- java.nio.file.StandardWatchEventKinds
- java.lang.Throwable (implements java.io.Serializable)
  - java.lang.Exception
    - java.io.IOException
      - java.nio.file.FileSystemException
        
        java.nio.file.AccessDeniedException
        
        java.nio.file.AtomicMoveNotSupportedException
        
        java.nio.file.DirectoryNotEmptyException
        
        java.nio.file.FileAlreadyExistsException
        
        java.nio.file.FileSystemLoopException
        
        java.nio.file.NoSuchFileException
        
        java.nio.file.NotDirectoryException
        
        java.nio.file.NotLinkException
    - java.lang.RuntimeException
      - java.util.ConcurrentModificationException
        
        java.nio.file.DirectoryIteratorException
      - java.nio.file.FileSystemAlreadyExistsException
      - java.nio.file.FileSystemNotFoundException
      - java.lang.IllegalArgumentException
        
        java.nio.file.InvalidPathException
        
        java.nio.file.ProviderMismatchException
      - java.lang.IllegalStateException
        
        java.nio.file.ClosedDirectoryStreamException
        
        java.nio.file.ClosedFileSystemException
        
        java.nio.file.ClosedWatchServiceException
      - java.nio.file.ProviderNotFoundException
      - java.lang.UnsupportedOperationException
        
        java.nio.file.ReadOnlyFileSystemException

Interface Hierarchy

java.lang.AutoCloseable
- java.io.Closeable
  - java.nio.file.DirectoryStream<T> (also extends java.lang.Iterable<T>)
    - java.nio.file.SecureDirectoryStream<T>
  - java.nio.file.WatchService
java.lang.Comparable<T>
- java.nio.file.Path (also extends java.lang.Iterable<T>, java.nio.file.Watchable)
java.nio.file.CopyOption
java.nio.file.DirectoryStream.Filter<T>
java.nio.file.FileVisitor<T>
java.lang.Iterable<T>
- java.nio.file.DirectoryStream<T> (also extends java.io.Closeable)
  - java.nio.file.SecureDirectoryStream<T>
- java.nio.file.Path (also extends java.lang.Comparable<T>, java.nio.file.Watchable)
java.nio.file.OpenOption
java.nio.file.PathMatcher
java.nio.file.Watchable
- java.nio.file.Path (also extends java.lang.Comparable<T>, java.lang.Iterable<T>)
java.nio.file.WatchEvent<T>
java.nio.file.WatchEvent.Kind<T>
java.nio.file.WatchEvent.Modifier
java.nio.file.WatchKey

Enum Hierarchy

java.lang.Object
- java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)
  - java.nio.file.AccessMode
  - java.nio.file.FileVisitOption
  - java.nio.file.FileVisitResult
  - java.nio.file.LinkOption (implements java.nio.file.CopyOption, java.nio.file.OpenOption)
  - java.nio.file.StandardCopyOption (implements java.nio.file.CopyOption)
  - java.nio.file.StandardOpenOption (implements java.nio.file.OpenOption)