| ExternalDirCallback | Callback for requestExternalDir(ExternalDirCallback)
request. |
| ExternalDirResult | Result of a requestExternalDir(ExternalDirCallback)
request. |
| FileFilter | A filter for abstract pathnames. |
| FilenameFilter | Instances of classes that implement this interface are used to filter filenames. |
| File | An abstract representation of file and directory pathnames. |
| FileInputStream | A file input stream is an input stream for reading data from a
File. |
| FileOutputStream | A file output stream is an output stream for writing data to a
File. |
| FileStorage | Provides accesses to the various defined area of the filesystem. |
| FileNotFoundException | Signals that an attempt to open the file denoted by a specified pathname has failed. |