import org.apache.commons.csv.CSVFormat; import org.apache.commons.csv.CSVParser; import org.apache.commons.csv.CSVRecord; public class CSVReaderExample { public static void main(String[] args) { try { CSVParser parser = CSVParser.parse(new File("data.csv"), CSVFormat.DEFAULT); for (CSVRecord record : parser) { String col1 = record.get(0); String col2 = record.get(1); System.out.println("Column 1: " + col1 + ", Column 2: " + col2); } parser.close(); } catch (IOException e) { e.printStackTrace(); } } } import org.apache.commons.csv.CSVFormat; import org.apache.commons.csv.CSVPrinter; public class CSVWriterExample { public static void main(String[] args) { try { CSVPrinter printer = new CSVPrinter(new FileWriter("data.csv"), CSVFormat.DEFAULT); printer.printRecord("Field 1", "Field 2"); printer.close(); } catch (IOException e) { e.printStackTrace(); } } }


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