- class java.io..FilterOutputStream 
public class FilterOutputStream extends OutputStream 
Tree:java.lang.Object - java.io.OutputStream - java.io.FilterOutputStream
This class is the superclass of all classes that filter output streams. These streams sit on top of an already existing output stream (the output stream) which it uses as its basic sink of data, but possibly transforming the data along the way or providing additional functionality.

- Constructor for class java.io.FilterOutputStream 
public FilterOutputStream (OutputStream  out)
Creates an output stream filter built on top of the specified underlying output stream.Parameters: out - the underlying output stream to be assigned to the field this.out for later use, or null if this instance is to be created without an underlying stream.

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