AsyncOneRequest1.java

package modern.challenge;

import java.io.IOException;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;

public class AsyncOneRequest1 {

    public void triggerOneAyncRequest() 
            throws IOException, InterruptedException, ExecutionException, TimeoutException {
        
        HttpClient client = HttpClient.newHttpClient();

        HttpRequest request = HttpRequest.newBuilder()
                .uri(URI.create("https://reqres.in/api/users/2"))
                .build();

        client.sendAsync(request, HttpResponse.BodyHandlers.ofString())
                .thenApply(HttpResponse::body)
                .exceptionally(e -> "Exception: " + e)
                .thenAccept(System.out::println)
                .get(30, TimeUnit.SECONDS); // or join()
    }
}