question: private void deserializeClass ( File file ) throws RuntimeException { try { FileInputStream in = new FileInputStream ( file ) ; ObjectInputStream objIn = new ObjectInputStream ( in ) ; Object o = objIn . readObject ( ) ; in . close ( ) ; } catch ( ClassNotFoundException e ) { throw new RuntimeException ( "There is no class in the model API " + "to deserialize the object in " + file + ". Perhaps the " + "class was renamed, moved to another package, or removed. " + "In any case, please put it back where it was." , e ) ; } catch ( IOException e ) { throw new RuntimeException ( "There was an I/O error associated with " + "the process of deserializing the file " + file + "." , e ) ; } }
target:  Deserializes the information in the given file, returning the object represented.