类层次结构
- 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.security.BasicPermission (implements java.io.Serializable) 
           
 - java.nio.file.SimpleFileVisitor<T> (implements java.nio.file.FileVisitor<T>)
 - java.nio.file.StandardWatchEventKinds
 - java.lang.Throwable (implements java.io.Serializable) 
         
- java.lang.异常 
           
- 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.nio.file.FileSystemException 
               
 - 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
 
 
 - java.util.ConcurrentModificationException 
               
 
 - java.io.IOException 
             
 
 - java.lang.异常 
           
 
 
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.nio.file.DirectoryStream<T> (also extends java.lang.Iterable<T>) 
           
 
 - java.io.Closeable 
         
 - java.lang.Comparable<T>
 - 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.DirectoryStream<T> (also extends java.io.Closeable) 
         
 - 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)
 
 
 - java.lang.Enum<E> (implements java.lang.Comparable<T>, java.io.Serializable)