public void flush() throws java.io.IOException {
  m_os.flush();
}

public void flush ( ) throws java . io . IOException { m_os . flush ( ) ; }
flush the stream . if the stream has saved any characters from the various write ( ) methods in a buffer , write them immediately to their intended destination . then , if that destination is another character or byte stream , flush it . thus one flush ( ) invocation will flush all the buffers in a chain of writers and outputstreams .
