question: public void writeExif ( InputStream jpegStream , OutputStream exifOutStream ) throws IOException { if ( jpegStream == null || exifOutStream == null ) { throw new IllegalArgumentException ( NULL_ARGUMENT_STRING ) ; } OutputStream s = getExifWriterStream ( exifOutStream ) ; doExifStreamIO ( jpegStream , s ) ; s . flush ( ) ; }
target:  Writes the tags from this ExifInterface object into a jpeg stream, removing prior exif tags.