code: public CloudJob getJob(String jobId) throws BatchErrorException, IOException {
          return getJob(jobId, null, null);
      }
docs: Gets the specified {@link CloudJob}.
  
  @param jobId The ID of the job to get.
  @return A {@link CloudJob} containing information about the specified Azure Batch job.
  @throws BatchErrorException Exception thrown when an error response is received from the Batch service.
  @throws IOException Exception thrown when there is an error in serialization/deserialization of data sent to/received from the Batch service.