<dependency> <groupId>com.fasterxml.jackson.dataformat</groupId> <artifactId>jackson-dataformat-csv</artifactId> <version>2.12.5</version> </dependency> public class Person { @JsonProperty("Name") private String name; @JsonProperty("Age") private int age; // Getters and Setters } List<Person> personList = new ArrayList<>(); ObjectMapper mapper = new CsvMapper(); mapper.configure(JsonGenerator.Feature.IGNORE_UNKNOWN, true); mapper.configure(JsonParser.Feature.IGNORE_UNDEFINED, true); mapper.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, true); mapper.configure(JsonParser.Feature.IGNORE_UNDEFINED, true); ObjectWriter writer = mapper.writerFor(Person.class).with(CsvSchema.builder().setUseHeader(true).build()); String csvData = writer.writeValueAsString(personList); String csvData = "Name,Age John,25 Jane,30 "; ObjectMapper mapper = new CsvMapper(); mapper.configure(JsonGenerator.Feature.IGNORE_UNKNOWN, true); mapper.configure(JsonParser.Feature.IGNORE_UNDEFINED, true); mapper.configure(JsonParser.Feature.ALLOW_SINGLE_QUOTES, true); mapper.configure(JsonParser.Feature.IGNORE_UNDEFINED, true); ObjectReader reader = mapper.readerFor(Person.class).with(CsvSchema.builder().setUseHeader(true).build()); List<Person> personList = reader.<Person>readValues(csvData).readAll();