assertEquals( "03/21/76", df.format(newUser.getBirthdate()) );
String pattern = "yyyy-MM-dd hh:mm:ss";
json = new JSONSerializer().transform( new DateTransformer( pattern ), Date.class ).serialize(charlie);
Person user = new JSONDeserializer<Person>().use("birthdate", new DateObjectFactory().add(pattern) ).deserialize(json);
assertEquals( charlie.getBirthdate(), user.getBirthdate() );
assertEquals( "03/21/76", df.format( user.getBirthdate() ) );
DateObjectFactory.addDefaultFormat( pattern );