Client API

JAXRS has a Client API which is used for accessing web resources and also integrates with providers. When running microservices or writing tests, the Client API serves as a tool for invoking target web resources. To work with the API, we must first obtain an instance of Client using the ClientBuilder.newClient method. Using the fluent API, a request is created and submitted by chaining method invocations whose names should be self-descriptive:

Client client = ClientBuilder.newClient();
Response res = client.target("http://somewhere.org/hello")
                .queryParam("param","...");
                .request("application/json")
                .header("X-Header","...")
                .get();

Both Client and WebTarget provide for registering filters and interceptors on the client-side. The API can also be utilized...