Package | Description |
---|---|
java.io | |
java.lang |
Provides classes that are fundamental to the design of the Java
programming language.
|
Modifier and Type | Field and Description |
---|---|
static FileDescriptor |
FileDescriptor.err
A handle to the standard error stream.
|
static FileDescriptor |
FileDescriptor.in
A handle to the standard input stream.
|
static FileDescriptor |
FileDescriptor.out
A handle to the standard output stream.
|
Modifier and Type | Method and Description |
---|---|
FileDescriptor |
RandomAccessFile.getFD()
Returns the opaque file descriptor object associated with this
stream.
|
FileDescriptor |
FileOutputStream.getFD()
Returns the file descriptor associated with this stream.
|
FileDescriptor |
FileInputStream.getFD()
Returns the
FileDescriptor
object that represents the connection to
the actual file in the file system being
used by this FileInputStream . |
Constructor and Description |
---|
FileInputStream(FileDescriptor fdObj)
Creates a
FileInputStream by using the file descriptor
fdObj , which represents an existing connection to an
actual file in the file system. |
FileOutputStream(FileDescriptor fdObj)
Creates a file output stream to write to the specified file
descriptor, which represents an existing connection to an actual
file in the file system.
|
FileReader(FileDescriptor fd)
Creates a new FileReader, given the
FileDescriptor to read from.
|
FileWriter(FileDescriptor fd)
Constructs a FileWriter object associated with a file descriptor.
|
Modifier and Type | Method and Description |
---|---|
void |
SecurityManager.checkRead(FileDescriptor fd)
Throws a
SecurityException if the
calling thread is not allowed to read from the specified file
descriptor. |
void |
SecurityManager.checkWrite(FileDescriptor fd)
Throws a
SecurityException if the
calling thread is not allowed to write to the specified file
descriptor. |