How to consume a json Rest API with Java using Jersey

build.gradle

apply plugin: 'java'

repositories {
    jcenter()
}

dependencies {
    compile 'com.sun.jersey:jersey-client:1.19'
    compile 'com.sun.jersey:jersey-json:1.19'
}

JerseyLibrary.java

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.ClientResponse;
import com.sun.jersey.api.client.WebResource;
import com.sun.jersey.api.client.config.ClientConfig;
import com.sun.jersey.api.client.config.DefaultClientConfig;
import com.sun.jersey.api.json.JSONConfiguration;
import org.codehaus.jackson.annotate.JsonCreator;
import org.codehaus.jackson.annotate.JsonIgnoreProperties;
import org.codehaus.jackson.annotate.JsonProperty;

import java.util.List;

import static java.util.Arrays.asList;

public class JerseyLibrary {

    @JsonIgnoreProperties(ignoreUnknown = true)
    static class Contributor {
        String login;
        int contributions;

        @JsonCreator
        Contributor(@JsonProperty("login") String login, @JsonProperty("contributions") int contributions) {
            this.login = login;
            this.contributions = contributions;
        }

        public String toString() { return login + " (" + contributions + ")"; }
    }

    public static void main(String[] args) {
        ClientConfig clientConfig = new DefaultClientConfig();
        clientConfig.getFeatures().put(JSONConfiguration.FEATURE_POJO_MAPPING, Boolean.TRUE);
        Client client = Client.create(clientConfig);

        String url = "https://api.github.com/repos/twilio/twilio-java/contributors";
        WebResource webResource = client.resource(url);
        ClientResponse response = webResource.accept("application/json").get(ClientResponse.class);

        List<Contributor> contributors = asList(response.getEntity(Contributor[].class));
        contributors.stream().forEach(System.out::println);
    }
}