HTTP2 nao funcioca assincrono

HttpClient.newHttpClient()

.sendAsync(HttpRequest.newBuilder()

.uri(new URI(“<a href="https://turini.github.io/livro-java-9/books.csv">https://turini.github.io/livro-java-9/books.csv</a>”))

.GET().build(),

HttpResponse.BodyHandlers.ofFile(Paths.get(“books.csv”)))

.whenComplete((r,t) ->

System.out.println("arquivo salvo em: "+ r.body().toAbsolutePath()));