code: public Dataset createDataset(String datasetName) {
      // [START bigquery_create_dataset]
      Dataset dataset = null;
      DatasetInfo datasetInfo = DatasetInfo.newBuilder(datasetName).build();
      try {
        // the dataset was created
        dataset = bigquery.create(datasetInfo);
      } catch (BigQueryException e) {
        // the dataset was not created
      }
      // [END bigquery_create_dataset]
      return dataset;
    }
docs: [VARIABLE "my_dataset_name"]