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This class provides method definitions
required to filter the data to be written to the
OutputStream specified when the
FilterOutputStream is created. It must be
subclassed to perform some sort of filtering operation and may not be
instantiated directly. See the subclasses
BufferedOutputStream and
DataOutputStream.
Figure 9-22. java.io.FilterOutputStream
public class FilterOutputStream extends OutputStream {
// Public Constructors
public FilterOutputStream (OutputStream out );
// Public Methods Overriding OutputStream
public void close ( ) throws IOException;
public void flush ( ) throws IOException;
public void write (int b ) throws IOException;
public void write (byte[ ] b ) throws IOException;
public void write (byte[ ] b , int off , int len ) throws IOException;
// Protected Instance Fields
protected OutputStream out ;
}Subclasses
BufferedOutputStream,
DataOutputStream, PrintStream,
java.security.DigestOutputStream,
java.util.zip.CheckedOutputStream,
java.util.zip.DeflaterOutputStream,
javax.crypto.CipherOutputStream
