public static void restart() throws IOException {
        ContactManagerImpl loadedManager = new ContactManagerImpl();
        ((ContactManagerImpl) loadedManager).printToConsole();
        
        Set<Contact> loadedContacts = loadedManager.getContacts("Smith");
        
        Contact contact = loadedManager.getContactFromID(881627);

        List<Meeting> meetingList = loadedManager.getFutureMeetingList(contact);
        for(Meeting meeting : meetingList) {
            System.out.println(meeting.getId()+" "+loadedManager.serialDate(meeting.getDate()));
        }
    }