public class Person { @CsvColumn("name") private String name; @CsvColumn("age") private int age; } String csvFilePath = "data.csv"; CsvReader<Person> csvReader = new CsvReader<>(Person.class); List<Person> personList = csvReader.read(csvFilePath); String csvFilePath = "data.csv"; CsvWriter<Person> csvWriter = new CsvWriter<>(Person.class); csvWriter.write(personList, csvFilePath); CsvConfig csvConfig = new CsvConfig(); csvConfig.setDelimiter(CharUtil.COMMA); csvConfig.setTextQualifier(CharUtil.QUOTE); csvConfig.setDateFormat("yyyy-MM-dd");