/** * Create a random UUID string which does not include dashes. * * @return */ public static String randomUUID() { final UUID uuid = UUID_GENERATOR.generate(); return (digits(uuid.getMostSignificantBits() >> 32, 8) + digits(uuid.getMostSignificantBits() >> 16, 4) + digits(uuid.getMostSignificantBits(), 4) + digits(uuid.getLeastSignificantBits() >> 48, 4) + digits(uuid.getLeastSignificantBits(), 12)); }