question: public void saveMRU ( ) { if ( mru . changed ) { try { ObjectOutputStream out = new ObjectOutputStream ( new FileOutputStream ( new File ( directory , MRUFILE ) ) ) ; out . writeObject ( mru ) ; out . close ( ) ; } catch ( Exception e ) { Log . e ( "Preset" , "MRU saving failed" , e ) ; } } }
target:  Saves the current MRU data to a file 