java.net.http · java.net.http · since Java 11

HttpClient

declaration

public abstract class HttpClient implements AutoCloseable

The modern built-in HTTP client: HTTP/2, connection pooling, sync send or async sendAsync via CompletableFuture. Build once, share application-wide.

Key methods

`static HttpClient.Builder newBuilder()`	connectTimeout, followRedirects, executor, proxy…
`<T> HttpResponse<T> send(HttpRequest, BodyHandler<T>)`	Blocking exchange.
`<T> CompletableFuture<HttpResponse<T>> sendAsync(…)`	Non-blocking exchange.