That's just an example. It does have defaults: https://docs.oracle.com/en/java/javase/11/docs/api/java.net.http/java/net/http/HttpClient.Builder.html https://do

That's just an example. It does have defaults: https://docs.oracle.com/en/java/javase/11/docs/api/java.net.http/java/net/http/HttpClient.Builder.html https://docs.oracle.com/en/java/javase/11/docs/api/java.net.... (search for "If this method is not invoked")