public CompletableFuture<String> getFoodAsync(HttpClient client, HttpRequest request) {
        return client.sendAsync(request, BodyHandlers.ofString()).thenApply(HttpResponse::body);
    }
.....

            URI uri = new URI(totalPath);
            HttpRequest request = HttpRequest.newBuilder(uri).build();

            HttpClient client = HttpClient.newHttpClient();

            var rand = new randomTest();

            CompletableFuture<String> foodInfo = rand.getFoodAsync(client, request);
            foodInfo.join();

            String json = foodInfo.get();