question: public void saveModel ( OutputStream out ) throws IOException { GZIPOutputStream zipout = new GZIPOutputStream ( out ) ; DataOutputStream dataout = new DataOutputStream ( zipout ) ; dataout . writeInt ( numTopics ) ; dataout . writeInt ( nwz . size ( ) ) ; dataout . writeDouble ( alpha ) ; dataout . writeDouble ( beta ) ; dataout . writeBoolean ( locked ) ; for ( Entry < String , int [ ] > e : nwz . entrySet ( ) ) { dataout . writeUTF ( e . getKey ( ) ) ; int [ ] c = e . getValue ( ) ; for ( int i = 0 ; i < numTopics ; i ++ ) { dataout . writeInt ( c [ i ] ) ; } } dataout . writeInt ( ntz . size ( ) ) ; dataout . writeDouble ( eta ) ; for ( Entry < String , int [ ] > e : ntz . entrySet ( ) ) { dataout . writeUTF ( e . getKey ( ) ) ; int [ ] c = e . getValue ( ) ; for ( int i = 0 ; i < numTopics + 1 ; i ++ ) { dataout . writeInt ( c [ i ] ) ; } } dataout . flush ( ) ; zipout . finish ( ) ; }
target:  Save the current model to the output stream.