Class java.io.FileOutputStream 
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Class java.io.FileOutputStream 

java.lang.Object
|
   +----java.io.OutputStream
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           +----java.io.FileOutputStream
public class FileOutputStream
extends OutputStream
File output stream, can be constructed from a file descriptor or a file name.
See Also:
FileInputStream, File

Constructor Index

o FileOutputStream(File)
Creates an output file with the specified File object.
o FileOutputStream(FileDescriptor)
o FileOutputStream(String)
Creates an output file with the specified system dependent file name.

Method Index

o close()
Closes the stream.
o finalize()
Closes the stream when garbage is collected.
o getFD()
Returns the file descriptor associated with this stream.
o write(byte[])
Writes an array of bytes.
o write(byte[], int, int)
Writes a sub array of bytes.
o write(int)
Writes a byte of data.

Constructors

o FileOutputStream 
public FileOutputStream(String name) throws IOException
Creates an output file with the specified system dependent file name.
Parameters:
name - the system dependent file name
Throws: IOException
If the file is not found.
o FileOutputStream 
public FileOutputStream(File file) throws IOException
Creates an output file with the specified File object.
Parameters:
file - the file to be opened for reading
Throws: IOException
If the file is not found.
o FileOutputStream 
public FileOutputStream(FileDescriptor fdObj)

Methods

o write 
public void write(int b) throws IOException
Writes a byte of data. This method will block until the byte is actually written.
Parameters:
b - the byte to be written
Throws: IOException
If an I/O error has occurred.
Overrides:
write in class OutputStream
o write 
public void write(byte b[]) throws IOException
Writes an array of bytes. Will block until the bytes are actually written.
Parameters:
b - the data to be written
Throws: IOException
If an I/O error has occurred.
Overrides:
write in class OutputStream
o write 
public void write(byte b[],
                    int off,
                    int len) throws IOException
Writes a sub array of bytes.
Parameters:
b - the data to be written
off - the start offset in the data
len - the number of bytes that are written
Throws: IOException
If an I/O error has occurred.
Overrides:
write in class OutputStream
o close 
public void close() throws IOException
Closes the stream. This method must be called to release any resources associated with the stream.
Throws: IOException
If an I/O error has occurred.
Overrides:
close in class OutputStream
o getFD 
public final FileDescriptor getFD() throws IOException
Returns the file descriptor associated with this stream.
Returns:
the file descriptor.
o finalize 
protected void finalize() throws IOException
Closes the stream when garbage is collected.
Overrides:
finalize in class Object 
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