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| Java™ Platform Standard Ed. 6
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## Uses of Class
java.io.File

Packages that use File
java.awt | Contains all of the classes for creating user interfaces and for painting graphics and images.
java.io | Provides for system input and output through data streams, serialization and the file system.
java.lang | Provides classes that are fundamental to the design of the Java programming language.
java.security | Provides the classes and interfaces for the security framework.
java.util | Contains the collections framework, legacy collection classes, event model, date and time facilities, internationalization, and miscellaneous utility classes (a string tokenizer, a random-number generator, and a bit array).
java.util.jar | Provides classes for reading and writing the JAR (Java ARchive) file format, which is based on the standard ZIP file format with an optional manifest file.
java.util.zip | Provides classes for reading and writing the standard ZIP and GZIP file formats.
javax.activation |
javax.imageio | The main package of the Java Image I/O API.
javax.imageio.spi | A package of the Java Image I/O API containing the plug-in interfaces for readers, writers, transcoders, and streams, and a runtime registry.
javax.imageio.stream | A package of the Java Image I/O API dealing with low-level I/O from files and streams.
javax.sound.midi | Provides interfaces and classes for I/O, sequencing, and synthesis of MIDI (Musical Instrument Digital Interface) data.
javax.sound.midi.spi | Supplies interfaces for service providers to implement when offering new MIDI devices, MIDI file readers and writers, or sound bank readers.
javax.sound.sampled | Provides interfaces and classes for capture, processing, and playback of sampled audio data.
javax.sound.sampled.spi | Supplies abstract classes for service providers to subclass when offering new audio devices, sound file readers and writers, or audio format converters.
javax.swing | Provides a set of "lightweight" (all-Java language) components that, to the maximum degree possible, work the same on all platforms.
javax.swing.filechooser | Contains classes and interfaces used by the `JFileChooser` component.
javax.swing.plaf | Provides one interface and many abstract classes that Swing uses to provide its pluggable look-and-feel capabilities.
javax.swing.plaf.basic | Provides user interface objects built according to the Basic look and feel.
javax.swing.plaf.metal | Provides user interface objects built according to the Java look and feel (once codenamed Metal), which is the default look and feel.
javax.swing.plaf.multi | Provides user interface objects that combine two or more look and feels.
javax.tools | Provides interfaces for tools which can be invoked from a program, for example, compilers.
javax.xml.bind | Provides a runtime binding framework for client applications including unmarshalling, marshalling, and validation capabilities.
javax.xml.bind.helpers | JAXB Provider Use Only: Provides partial default implementations for some of the `javax.xml.bind` interfaces.
javax.xml.parsers | Provides classes allowing the processing of XML documents.
javax.xml.transform.stream | This package implements stream- and URI- specific transformation APIs.
javax.xml.validation | This package provides an API for validation of XML documents.

Uses of File in java.awt

Methods in java.awt with parameters of type File
`static Font` | `Font.createFont(int fontFormat, File fontFile)` Returns a new `Font` using the specified font type and the specified font file.
`void` | `Desktop.edit(File file)` Launches the associated editor application and opens a file for editing.
`void` | `Desktop.open(File file)` Launches the associated application to open the file.
`void` | `Desktop.print(File file)` Prints a file with the native desktop printing facility, using the associated application's print command.

Uses of File in java.io

Methods in java.io that return File
`static File` | `File.createTempFile(String prefix, String suffix)` Creates an empty file in the default temporary-file directory, using the given prefix and suffix to generate its name.
`static File` | `File.createTempFile(String prefix, String suffix, File directory)` Creates a new empty file in the specified directory, using the given prefix and suffix strings to generate its name.
`File` | `File.getAbsoluteFile()` Returns the absolute form of this abstract pathname.
`File` | `File.getCanonicalFile()` Returns the canonical form of this abstract pathname.
`File` | `File.getParentFile()` Returns the abstract pathname of this abstract pathname's parent, or `null` if this pathname does not name a parent directory.
`File[]` | `File.listFiles()` Returns an array of abstract pathnames denoting the files in the directory denoted by this abstract pathname.
`File[]` | `File.listFiles(FileFilter filter)` Returns an array of abstract pathnames denoting the files and directories in the directory denoted by this abstract pathname that satisfy the specified filter.
`File[]` | `File.listFiles(FilenameFilter filter)` Returns an array of abstract pathnames denoting the files and directories in the directory denoted by this abstract pathname that satisfy the specified filter.
`static File[]` | `File.listRoots()` List the available filesystem roots.

Methods in java.io with parameters of type File
`boolean` | `FileFilter.accept(File pathname)` Tests whether or not the specified abstract pathname should be included in a pathname list.
`boolean` | `FilenameFilter.accept(File dir, String name)` Tests if a specified file should be included in a file list.
`int` | `File.compareTo(File pathname)` Compares two abstract pathnames lexicographically.
`static File` | `File.createTempFile(String prefix, String suffix, File directory)` Creates a new empty file in the specified directory, using the given prefix and suffix strings to generate its name.
`boolean` | `File.renameTo(File dest)` Renames the file denoted by this abstract pathname.

Constructors in java.io with parameters of type File
`File(File parent, String child)` Creates a new `File` instance from a parent abstract pathname and a child pathname string.
`FileInputStream(File file)` Creates a `FileInputStream` by opening a connection to an actual file, the file named by the `File` object `file` in the file system.
`FileOutputStream(File file)` Creates a file output stream to write to the file represented by the specified `File` object.
`FileOutputStream(File file, boolean append)` Creates a file output stream to write to the file represented by the specified `File` object.
`FileReader(File file)` Creates a new `FileReader`, given the `File` to read from.
`FileWriter(File file)` Constructs a FileWriter object given a File object.
`FileWriter(File file, boolean append)` Constructs a FileWriter object given a File object.
`PrintStream(File file)` Creates a new print stream, without automatic line flushing, with the specified file.
`PrintStream(File file, String csn)` Creates a new print stream, without automatic line flushing, with the specified file and charset.
`PrintWriter(File file)` Creates a new PrintWriter, without automatic line flushing, with the specified file.
`PrintWriter(File file, String csn)` Creates a new PrintWriter, without automatic line flushing, with the specified file and charset.
`RandomAccessFile(File file, String mode)` Creates a random access file stream to read from, and optionally to write to, the file specified by the `File` argument.

Uses of File in java.lang

Methods in java.lang that return File
`File` | `ProcessBuilder.directory()` Returns this process builder's working directory.

Methods in java.lang with parameters of type File
`ProcessBuilder` | `ProcessBuilder.directory(File directory)` Sets this process builder's working directory.
`Process` | `Runtime.exec(String[] cmdarray, String[] envp, File dir)` Executes the specified command and arguments in a separate process with the specified environment and working directory.
`Process` | `Runtime.exec(String command, String[] envp, File dir)` Executes the specified string command in a separate process with the specified environment and working directory.

Uses of File in java.security

Methods in java.security with parameters of type File
`static KeyStore.Builder` | `KeyStore.Builder.newInstance(String type, Provider provider, File file, KeyStore.ProtectionParameter protection)` Returns a new Builder object.

Uses of File in java.util

Constructors in java.util with parameters of type File
`Formatter(File file)` Constructs a new formatter with the specified file.
`Formatter(File file, String csn)` Constructs a new formatter with the specified file and charset.
`Formatter(File file, String csn, Locale l)` Constructs a new formatter with the specified file, charset, and locale.
`Scanner(File source)` Constructs a new `Scanner` that produces values scanned from the specified file.
`Scanner(File source, String charsetName)` Constructs a new `Scanner` that produces values scanned from the specified file.

Uses of File in java.util.jar

Methods in java.util.jar with parameters of type File
`void` | `Pack200.Unpacker.unpack(File in, JarOutputStream out)` Read a Pack200 archive, and write the encoded JAR to a JarOutputStream.

Constructors in java.util.jar with parameters of type File
`JarFile(File file)` Creates a new `JarFile` to read from the specified `File` object.
`JarFile(File file, boolean verify)` Creates a new `JarFile` to read from the specified `File` object.
`JarFile(File file, boolean verify, int mode)` Creates a new `JarFile` to read from the specified `File` object in the specified mode.

Uses of File in java.util.zip

Constructors in java.util.zip with parameters of type File
`ZipFile(File file)` Opens a ZIP file for reading given the specified File object.
`ZipFile(File file, int mode)` Opens a new `ZipFile` to read from the specified `File` object in the specified mode.

Uses of File in javax.activation

Methods in javax.activation that return File
`File` | `FileDataSource.getFile()` Return the File object that corresponds to this FileDataSource.

Methods in javax.activation with parameters of type File
`String` | `MimetypesFileTypeMap.getContentType(File f)` Return the MIME type of the file object.
`abstract String` | `FileTypeMap.getContentType(File file)` Return the type of the file object.

Constructors in javax.activation with parameters of type File
`FileDataSource(File file)` Creates a FileDataSource from a File object.

Uses of File in javax.imageio

Methods in javax.imageio that return File
`static File` | `ImageIO.getCacheDirectory()` Returns the current value set by `setCacheDirectory`, or `null` if no explicit setting has been made.

Methods in javax.imageio with parameters of type File
`static BufferedImage` | `ImageIO.read(File input)` Returns a `BufferedImage` as the result of decoding a supplied `File` with an `ImageReader` chosen automatically from among those currently registered.
`static void` | `ImageIO.setCacheDirectory(File cacheDirectory)` Sets the directory where cache files are to be created.
`static boolean` | `ImageIO.write(RenderedImage im, String formatName, File output)` Writes an image using an arbitrary `ImageWriter` that supports the given format to a `File`.

Uses of File in javax.imageio.spi

Methods in javax.imageio.spi with parameters of type File
`abstract ImageInputStream` | `ImageInputStreamSpi.createInputStreamInstance(Object input, boolean useCache, File cacheDir)` Returns an instance of the `ImageInputStream` implementation associated with this service provider.
`abstract ImageOutputStream` | `ImageOutputStreamSpi.createOutputStreamInstance(Object output, boolean useCache, File cacheDir)` Returns an instance of the `ImageOutputStream` implementation associated with this service provider.

Uses of File in javax.imageio.stream

Constructors in javax.imageio.stream with parameters of type File
`FileCacheImageInputStream(InputStream stream, File cacheDir)` Constructs a `FileCacheImageInputStream` that will read from a given `InputStream`.
`FileCacheImageOutputStream(OutputStream stream, File cacheDir)` Constructs a `FileCacheImageOutputStream` that will write to a given `outputStream`.
`FileImageInputStream(File f)` Constructs a `FileImageInputStream` that will read from a given `File`.
`FileImageOutputStream(File f)` Constructs a `FileImageOutputStream` that will write to a given `File`.

Uses of File in javax.sound.midi

Methods in javax.sound.midi with parameters of type File
`static MidiFileFormat` | `MidiSystem.getMidiFileFormat(File file)` Obtains the MIDI file format of the specified `File`.
`static Sequence` | `MidiSystem.getSequence(File file)` Obtains a MIDI sequence from the specified `File`.
`static Soundbank` | `MidiSystem.getSoundbank(File file)` Constructs a `Soundbank` by reading it from the specified `File`.
`static int` | `MidiSystem.write(Sequence in, int type, File out)` Writes a stream of bytes representing a file of the MIDI file type indicated to the external file provided.

Uses of File in javax.sound.midi.spi

Methods in javax.sound.midi.spi with parameters of type File
`abstract MidiFileFormat` | `MidiFileReader.getMidiFileFormat(File file)` Obtains the MIDI file format of the `File` provided.
`abstract Sequence` | `MidiFileReader.getSequence(File file)` Obtains a MIDI sequence from the `File` provided.
`abstract Soundbank` | `SoundbankReader.getSoundbank(File file)` Obtains a soundbank object from the `File` provided.
`abstract int` | `MidiFileWriter.write(Sequence in, int fileType, File out)` Writes a stream of bytes representing a MIDI file of the file type indicated to the external file provided.

Uses of File in javax.sound.sampled

Methods in javax.sound.sampled with parameters of type File
`static AudioFileFormat` | `AudioSystem.getAudioFileFormat(File file)` Obtains the audio file format of the specified `File`.
`static AudioInputStream` | `AudioSystem.getAudioInputStream(File file)` Obtains an audio input stream from the provided `File`.
`static int` | `AudioSystem.write(AudioInputStream stream, AudioFileFormat.Type fileType, File out)` Writes a stream of bytes representing an audio file of the specified file type to the external file provided.

Uses of File in javax.sound.sampled.spi

Methods in javax.sound.sampled.spi with parameters of type File
`abstract AudioFileFormat` | `AudioFileReader.getAudioFileFormat(File file)` Obtains the audio file format of the `File` provided.
`abstract AudioInputStream` | `AudioFileReader.getAudioInputStream(File file)` Obtains an audio input stream from the `File` provided.
`abstract int` | `AudioFileWriter.write(AudioInputStream stream, AudioFileFormat.Type fileType, File out)` Writes a stream of bytes representing an audio file of the file format indicated to the external file provided.

Uses of File in javax.swing

Methods in javax.swing that return File
`File` | `JFileChooser.getCurrentDirectory()` Returns the current directory.
`File` | `JFileChooser.getSelectedFile()` Returns the selected file.
`File[]` | `JFileChooser.getSelectedFiles()` Returns a list of selected files if the file chooser is set to allow multiple selection.

Methods in javax.swing with parameters of type File
`boolean` | `JFileChooser.accept(File f)` Returns true if the file should be displayed.
`void` | `JFileChooser.ensureFileIsVisible(File f)` Makes sure that the specified file is viewable, and not hidden.
`String` | `JFileChooser.getDescription(File f)` Returns the file description.
`Icon` | `JFileChooser.getIcon(File f)` Returns the icon for this file or type of file, depending on the system.
`String` | `JFileChooser.getName(File f)` Returns the filename.
`String` | `JFileChooser.getTypeDescription(File f)` Returns the file type.
`boolean` | `JFileChooser.isTraversable(File f)` Returns true if the file (directory) can be visited.
`void` | `JFileChooser.setCurrentDirectory(File dir)` Sets the current directory.
`void` | `JFileChooser.setSelectedFile(File file)` Sets the selected file.
`void` | `JFileChooser.setSelectedFiles(File[] selectedFiles)` Sets the list of selected files if the file chooser is set to allow multiple selection.

Constructors in javax.swing with parameters of type File
`JFileChooser(File currentDirectory)` Constructs a `JFileChooser` using the given `File` as the path.
`JFileChooser(File currentDirectory, FileSystemView fsv)` Constructs a `JFileChooser` using the given current directory and `FileSystemView`.

Uses of File in javax.swing.filechooser

Methods in javax.swing.filechooser that return File
`File` | `FileSystemView.createFileObject(File dir, String filename)` Returns a File object constructed in dir from the given filename.
`File` | `FileSystemView.createFileObject(String path)` Returns a File object constructed from the given path string.
`protected File` | `FileSystemView.createFileSystemRoot(File f)` Creates a new `File` object for `f` with correct behavior for a file system root directory.
`abstract File` | `FileSystemView.createNewFolder(File containingDir)` Creates a new folder with a default folder name.
`File` | `FileSystemView.getChild(File parent, String fileName)`
`File` | `FileSystemView.getDefaultDirectory()` Return the user's default starting directory for the file chooser.
`File[]` | `FileSystemView.getFiles(File dir, boolean useFileHiding)` Gets the list of shown (i.e.
`File` | `FileSystemView.getHomeDirectory()`
`File` | `FileSystemView.getParentDirectory(File dir)` Returns the parent directory of `dir`.
`File[]` | `FileSystemView.getRoots()` Returns all root partitions on this system.

Methods in javax.swing.filechooser with parameters of type File
`boolean` | `FileNameExtensionFilter.accept(File f)` Tests the specified file, returning true if the file is accepted, false otherwise.
`abstract boolean` | `FileFilter.accept(File f)` Whether the given file is accepted by this filter.
`File` | `FileSystemView.createFileObject(File dir, String filename)` Returns a File object constructed in dir from the given filename.
`protected File` | `FileSystemView.createFileSystemRoot(File f)` Creates a new `File` object for `f` with correct behavior for a file system root directory.
`abstract File` | `FileSystemView.createNewFolder(File containingDir)` Creates a new folder with a default folder name.
`File` | `FileSystemView.getChild(File parent, String fileName)`
`String` | `FileView.getDescription(File f)` A human readable description of the file.
`File[]` | `FileSystemView.getFiles(File dir, boolean useFileHiding)` Gets the list of shown (i.e.
`Icon` | `FileView.getIcon(File f)` The icon that represents this file in the `JFileChooser`.
`String` | `FileView.getName(File f)` The name of the file.
`File` | `FileSystemView.getParentDirectory(File dir)` Returns the parent directory of `dir`.
`String` | `FileSystemView.getSystemDisplayName(File f)` Name of a file, directory, or folder as it would be displayed in a system file browser.
`Icon` | `FileSystemView.getSystemIcon(File f)` Icon for a file, directory, or folder as it would be displayed in a system file browser.
`String` | `FileSystemView.getSystemTypeDescription(File f)` Type description for a file, directory, or folder as it would be displayed in a system file browser.
`String` | `FileView.getTypeDescription(File f)` A human readable description of the type of the file.
`boolean` | `FileSystemView.isComputerNode(File dir)` Used by UI classes to decide whether to display a special icon for a computer node, e.g.
`boolean` | `FileSystemView.isDrive(File dir)` Used by UI classes to decide whether to display a special icon for drives or partitions, e.g.
`boolean` | `FileSystemView.isFileSystem(File f)` Checks if `f` represents a real directory or file as opposed to a special folder such as `"Desktop"`.
`boolean` | `FileSystemView.isFileSystemRoot(File dir)` Is dir the root of a tree in the file system, such as a drive or partition.
`boolean` | `FileSystemView.isFloppyDrive(File dir)` Used by UI classes to decide whether to display a special icon for a floppy disk.
`boolean` | `FileSystemView.isHiddenFile(File f)` Returns whether a file is hidden or not.
`boolean` | `FileSystemView.isParent(File folder, File file)` On Windows, a file can appear in multiple folders, other than its parent directory in the filesystem.
`boolean` | `FileSystemView.isRoot(File f)` Determines if the given file is a root in the navigatable tree(s).
`Boolean` | `FileSystemView.isTraversable(File f)` Returns true if the file (directory) can be visited.
`Boolean` | `FileView.isTraversable(File f)` Whether the directory is traversable or not.

Uses of File in javax.swing.plaf

Methods in javax.swing.plaf with parameters of type File
`abstract void` | `FileChooserUI.ensureFileIsVisible(JFileChooser fc, File f)`

Uses of File in javax.swing.plaf.basic

Fields in javax.swing.plaf.basic with type parameters of type File
`protected Hashtable<File,Icon>` | `BasicFileChooserUI.BasicFileView.iconCache`

Methods in javax.swing.plaf.basic that return File
`protected File` | `BasicFileChooserUI.getDirectory()` Property to remember the directory that is currently selected in the UI.

Methods in javax.swing.plaf.basic that return types with arguments of type File
`Vector<File>` | `BasicDirectoryModel.getDirectories()`
`Vector<File>` | `BasicDirectoryModel.getFiles()`

Methods in javax.swing.plaf.basic with parameters of type File
`boolean` | `BasicFileChooserUI.AcceptAllFileFilter.accept(File f)`
`void` | `BasicFileChooserUI.BasicFileView.cacheIcon(File f, Icon i)`
`void` | `BasicFileChooserUI.ensureFileIsVisible(JFileChooser fc, File f)`
`Icon` | `BasicFileChooserUI.BasicFileView.getCachedIcon(File f)`
`String` | `BasicFileChooserUI.BasicFileView.getDescription(File f)`
`Icon` | `BasicFileChooserUI.BasicFileView.getIcon(File f)`
`String` | `BasicFileChooserUI.BasicFileView.getName(File f)`
`String` | `BasicFileChooserUI.BasicFileView.getTypeDescription(File f)`
`Boolean` | `BasicFileChooserUI.BasicFileView.isHidden(File f)`
`protected boolean` | `BasicDirectoryModel.lt(File a, File b)`
`boolean` | `BasicDirectoryModel.renameFile(File oldFile, File newFile)` Renames a file in the underlying file system.
`protected void` | `BasicFileChooserUI.setDirectory(File f)` Property to remember the directory that is currently selected in the UI.

Method parameters in javax.swing.plaf.basic with type arguments of type File
`protected void` | `BasicDirectoryModel.sort(Vector<? extends File> v)`

Uses of File in javax.swing.plaf.metal

Methods in javax.swing.plaf.metal with parameters of type File
`void` | `MetalFileChooserUI.ensureFileIsVisible(JFileChooser fc, File f)`

Uses of File in javax.swing.plaf.multi

Methods in javax.swing.plaf.multi with parameters of type File
`void` | `MultiFileChooserUI.ensureFileIsVisible(JFileChooser a, File b)` Invokes the `ensureFileIsVisible` method on each UI handled by this object.

Uses of File in javax.tools

Methods in javax.tools that return types with arguments of type File
`Iterable<? extends File>` | `StandardJavaFileManager.getLocation(JavaFileManager.Location location)` Gets the path associated with the given location.

Methods in javax.tools with parameters of type File
`Iterable<? extends JavaFileObject>` | `StandardJavaFileManager.getJavaFileObjects(File... files)` Gets file objects representing the given files.

Method parameters in javax.tools with type arguments of type File
`Iterable<? extends JavaFileObject>` | `StandardJavaFileManager.getJavaFileObjectsFromFiles(Iterable<? extends File> files)` Gets file objects representing the given files.
`void` | `StandardJavaFileManager.setLocation(JavaFileManager.Location location, Iterable<? extends File> path)` Associates the given path with the given location.

Uses of File in javax.xml.bind

Methods in javax.xml.bind with parameters of type File
`static void` | `JAXB.marshal(Object jaxbObject, File xml)` Writes a Java object tree to XML and store it to the specified location.
`void` | `Marshaller.marshal(Object jaxbElement, File output)` Marshal the content tree rooted at `jaxbElement` into a file.
`Object` | `Unmarshaller.unmarshal(File f)` Unmarshal XML data from the specified file and return the resulting content tree.
`static
`<T> T`
` | `JAXB.unmarshal(File xml, Class<T> type)` Reads in a Java object tree from the given XML input.

Uses of File in javax.xml.bind.helpers

Methods in javax.xml.bind.helpers with parameters of type File
`void` | `AbstractMarshallerImpl.marshal(Object jaxbElement, File output)`
`Object` | `AbstractUnmarshallerImpl.unmarshal(File f)`

Uses of File in javax.xml.parsers

Methods in javax.xml.parsers with parameters of type File
`Document` | `DocumentBuilder.parse(File f)` Parse the content of the given file as an XML document and return a new DOM `Document` object.
`void` | `SAXParser.parse(File f, DefaultHandler dh)` Parse the content of the file specified as XML using the specified `DefaultHandler`.
`void` | `SAXParser.parse(File f, HandlerBase hb)` Parse the content of the file specified as XML using the specified `HandlerBase`.

Uses of File in javax.xml.transform.stream

Methods in javax.xml.transform.stream with parameters of type File
`void` | `StreamSource.setSystemId(File f)` Set the system ID from a File reference.
`void` | `StreamResult.setSystemId(File f)` Set the system ID from a `File` reference.

Constructors in javax.xml.transform.stream with parameters of type File
`StreamResult(File f)` Construct a StreamResult from a File.
`StreamSource(File f)` Construct a StreamSource from a File.

Uses of File in javax.xml.validation

Methods in javax.xml.validation with parameters of type File
`Schema` | `SchemaFactory.newSchema(File schema)` Parses the specified `File` as a schema and returns it as a `Schema`.

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