src/java.net.http/share/classes/jdk/internal/net/http/HttpClientBuilderImpl.java

*** 26,45 ****
--- 26,47 ----
  package jdk.internal.net.http;
  
  import java.net.Authenticator;
  import java.net.CookieHandler;
  import java.net.ProxySelector;
+ import java.time.Duration;
  import java.util.concurrent.Executor;
  import javax.net.ssl.SSLContext;
  import javax.net.ssl.SSLParameters;
  import java.net.http.HttpClient;
  import jdk.internal.net.http.common.Utils;
  import static java.util.Objects.requireNonNull;
  
  public class HttpClientBuilderImpl implements HttpClient.Builder {
  
      CookieHandler cookieHandler;
+     Duration connectTimeout;
      HttpClient.Redirect followRedirects;
      ProxySelector proxy;
      Authenticator authenticator;
      HttpClient.Version version;
      Executor executor;
*** 53,62 ****
--- 55,72 ----
          requireNonNull(cookieHandler);
          this.cookieHandler = cookieHandler;
          return this;
      }
  
+     @Override
+     public HttpClientBuilderImpl connectTimeout(Duration duration) {
+         requireNonNull(duration);
+         if (duration.isNegative() || Duration.ZERO.equals(duration))
+             throw new IllegalArgumentException("Invalid duration: " + duration);
+         this.connectTimeout = duration;
+         return this;
+     }
  
      @Override
      public HttpClientBuilderImpl sslContext(SSLContext sslContext) {
          requireNonNull(sslContext);
          this.sslContext = sslContext;