Spark mode - CSV source

Read

Dataset<Row> sparkDataset = spark.read()
                                .option("delimiter", ";")
                                .option("header", "true")
                                .csv("folder_path");
SparkDataset dataset = new SparkDataset(sparkDataset);

See all supported options in the official documentation.

Write

The CSV format is not recommended for writing Trevas Datasets (see here)