org.apache.hadoop.fs
Interfaces 
FsConstants
PathFilter
PositionedReadable
Seekable
Syncable
Classes 
AbstractFileSystem
AvroFSInput
BlockLocation
ChecksumFileSystem
ContentSummary
FileChecksum
FileContext
FileStatus
FileSystem
FileSystem.Statistics
FileUtil
FileUtil.HardLink
FilterFileSystem
FSDataInputStream
FSDataOutputStream
FsServerDefaults
FsStatus
LocalFileSystem
Options
Options.CreateOpts
Options.CreateOpts.BlockSize
Options.CreateOpts.BufferSize
Options.CreateOpts.BytesPerChecksum
Options.CreateOpts.CreateParent
Options.CreateOpts.Perms
Options.CreateOpts.Progress
Options.CreateOpts.ReplicationFactor
Path
RawLocalFileSystem
Trash
Enums 
CreateFlag
Options.Rename
Exceptions 
ChecksumException
FileAlreadyExistsException
InvalidPathException
ParentNotDirectoryException
UnsupportedFileSystemException
Errors 
FSError