code: public final Job submitJob(String projectId, String region, Job job) {
  
      SubmitJobRequest request =
          SubmitJobRequest.newBuilder().setProjectId(projectId).setRegion(region).setJob(job).build();
      return submitJob(request);
    }
docs: Submits a job to a cluster.
  
  <p>Sample code:
  
  <pre><code>
  try (JobControllerClient jobControllerClient = JobControllerClient.create()) {
  String projectId = "";
  String region = "";
  Job job = Job.newBuilder().build();
  Job response = jobControllerClient.submitJob(projectId, region, job);
  }
  </code></pre>
  
  @param projectId Required. The ID of the Google Cloud Platform project that the job belongs to.
  @param region Required. The Cloud Dataproc region in which to handle the request.
  @param job Required. The job resource.
  @throws com.google.api.gax.rpc.ApiException if the remote call fails