![]() There are 5 ways of making HTTP requests is a core feature of modern programming, and is often one of the first things you want to do when learning a new programming language. Thrown when the opening handshake has failed. Thrown when a response is not received within a specified time period. Thrown when a connection, over which an HttpRequest is intended to be sent, is not successfully established within a specified time period. Exception Summary gHttpConnectTimeoutException HttpClient.VersionThe HTTP protocol version.ĥ.HttpClient.Redirect: Defines the automatic redirection policy.HttpResponse.BodySubscribers: Implementations of BodySubscriber that implement various useful subscribers, such as converting the response body bytes into a String, or streaming the bytes to a file.HttpResponse.BodyHandlers: Implementations of BodyHandler that implement various useful handlers, such as handling the response body as a String, or streaming the response body to a file.HttpRequest.BodyPublishers: Implementations of BodyPublisher that implement various useful publishers, such as publishing the request body from a String, or from a file.HttpHeaders: A read-only view of a set of HTTP headers.WebSocket.Listener: The receiving interface of WebSocket.2.WebSocket.Builder: A builder of WebSocket Clients.Initial response information supplied to a BodyHandler when a response is initially received and before the body is processed. Interface summary is as follows in the tabular format below: HTTP ComponentsĪ BodyPublisher converts high-level Java objects into a flow of byte buffers suitable for sending as a request body.Ī BodySubscriber consumes response body bytes and converts them into a higher-level Java type. ![]() Unless otherwise stated, null parameter values will cause methods of all classes in this package to throw NullPointerException. Invoking the cancel method on a CompletableFuture returned by this API may not interrupt the underlying operation, but may be useful to complete, exceptionally, dependent stages that have not already completed. ISRO CS Syllabus for Scientist/Engineer ExamĬompletableFutures returned by this API will throw UnsupportedOperationException for their obtrudeValue and obtrudeException methods.ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.
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