java.io
Class FileOutputStream

java.lang.Object
  |
  +--java.io.OutputStream
        |
        +--java.io.FileOutputStream

public class FileOutputStream

extends OutputStream

A file output stream is an output stream for writing data to a File or to a FileDescriptor.

Constructor Summary

FileOutputStream(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.

Method Summary

void	close() Closes this file output stream and releases any system resources associated with this stream.
void	write(byte[] buf, int off, int len) Writes len bytes from the specified byte array starting at offset off to this file output stream.
void	write(int b) Writes the specified byte to this file output stream.

Methods inherited from class java.io.OutputStream

flush, write

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FileOutputStream

public FileOutputStream(File file)
                 throws IOException

Creates a FileInputStream by opening a connection to an actual file, the file named by the File object file in the file system.

Parameters:

file - - the file to be opened for reading.

Throws:

IOException - if the file exists but is a directory rather than a regular file, does not exist but cannot be created, or cannot be opened for any other reason

Method Detail

close

public void close()
           throws IOException

Closes this file output stream and releases any system resources associated with this stream.

Overrides:

close in class OutputStream

Throws:

IOException - if an I/O error occurs.

write

public void write(int b)
           throws IOException

Writes the specified byte to this file output stream.

Overrides:

write in class OutputStream

Parameters:

b - the byte to be written.

Throws:

IOException - if an I/O error occurs.

write

public void write(byte[] buf,
                  int off,
                  int len)
           throws IOException

Writes len bytes from the specified byte array starting at offset off to this file output stream.

Overrides:

write in class OutputStream

Parameters:

b - the data.

off - the start offset in the data.

len - the number of bytes to write.

Throws:

IOException - if an I/O error occurs.