Claim claim = jwt.getClaim("user");
UserProfile user = claim.as(UserProfile.class);

String jwt = JWTCreator.init()
                .withArrayClaim("name", new String[]{"a", "b", "c"})
                .sign(Algorithm.HMAC256("secret"));

DecodedJWT jwt = JWTVerifier.init(Algorithm.HMAC256("secret"))
                .withArrayClaim("name", "a", "b")
                .build()
                .verify(token);