< p > writes an unsigned two - byte value to an output stream . < / p >
223. POIFSFileSystem poifs = new POIFSFileSystem(bis);
225. dis = poifs.createDocumentInputStream("Workbook");
create a new ctworkbook with all values set to default
97. POIFSFileSystem newFS = new POIFSFileSystem();
98. copy(dir, newFS.getRoot());
103. newFS.writeFilesystem(out);