question: private long readFreqFromFile ( String fileName ) { long number = 0 ; try { BufferedReader reader = new BufferedReader ( new FileReader ( fileName ) ) ; try { String line = reader . readLine ( ) ; number = parseLong ( line ) ; } finally { reader . close ( ) ; } } catch ( FileNotFoundException e ) { } catch ( IOException e ) { } return number ; }
target:  Read a single integer value from the named file.  Return the read value or if an error occurs return 0.