import org.apache.spark.sql.SparkSession

      val spark = SparkSession
        .builder()
        .appName("Spark SQL basic example")
        .config("spark.some.config.option", "some-value")
        .getOrCreate()

      val df = spark.read.json("/home/vagrant/people.json")

      // Displays the content of the DataFrame to stdout
      df.show()
      // +----+-------+
      // | age|   name|
      // +----+-------+
      // |null|Michael|
      // |  30|   Andy|
      // |  19| Justin|
      // +----+-------+