How to Call a REST Service with JAX-RS

import java.io.IOException;

import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import javax.ws.rs.client.Client;
import javax.ws.rs.client.ClientBuilder;
import javax.ws.rs.core.Response;

import org.glassfish.jersey.client.authentication.HttpAuthenticationFeature;

@SuppressWarnings("serial")
@WebServlet(name = "SampleJaxRsServlet", value = "/")
public final class SampleJaxRsServlet extends HttpServlet {

  @Override
  protected void doGet(final HttpServletRequest req, final HttpServletResponse resp) throws IOException {
    final Client client = ClientBuilder.newClient();

    final Response res = client.target("http://localhost/sample").request().get();

    resp.getWriter().println(res.readEntity(String.class));
  }

}

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