question: public static Object deserialization ( String filePath ) { ObjectInputStream in = null ; try { in = new ObjectInputStream ( new FileInputStream ( filePath ) ) ; Object o = in . readObject ( ) ; in . close ( ) ; return o ; } catch ( FileNotFoundException e ) { throw new RuntimeException ( "FileNotFoundException occurred. " , e ) ; } catch ( ClassNotFoundException e ) { throw new RuntimeException ( "ClassNotFoundException occurred. " , e ) ; } catch ( IOException e ) { throw new RuntimeException ( "IOException occurred. " , e ) ; } finally { IOUtils . close ( in ) ; } }
target:  Deserialization object from file.