Java - how to read CSV file into java object using Jackson CSV library?

<dependency>

    <groupId>com.fasterxml.jackson.dataformat</groupId>

    <artifactId>jackson-dataformat-csv</artifactId>

    <version>2.9.9</version>

</dependency>

import com.fasterxml.jackson.databind.MappingIterator;

import com.fasterxml.jackson.dataformat.csv.CsvMapper;

import com.fasterxml.jackson.dataformat.csv.CsvSchema;

​

import java.io.File;

import java.io.IOException;

import java.util.List;

​

public class UserCsvReader {

​

    public static void main(String[] args) throws IOException {

​

        // set correct path to csv file on your disc

        File csvFile = new File("C:\\csv_tests\\users.csv");

​

        CsvMapper csvMapper = new CsvMapper();

​

        CsvSchema csvSchema = csvMapper

                .typedSchemaFor(UserDto.class)

                .withHeader()

                .withColumnSeparator(',')

                .withComments();

​

        MappingIterator<UserDto> usersIter = csvMapper

                .readerWithTypedSchemaFor(UserDto.class)

                .with(csvSchema)

                .readValues(csvFile);

​

        List<UserDto> users = usersIter.readAll();

​

        users.forEach(System.out::println);

    }

}

UserDto{id=1, name='Ann', age=30}

UserDto{id=2, name='Seth', age=25}

UserDto{id=3, name='Tom', age=27}

import com.fasterxml.jackson.annotation.JsonPropertyOrder;

​

@JsonPropertyOrder({"id", "name", "age"})

public class UserDto {

​

    private Long id;

    private String name;

    private Integer age;

​

    public UserDto() {

​

    }

​

    public Long getId() {

        return id;

    }

​

    public void setId(Long id) {

        this.id = id;

    }

​

    public String getName() {

        return name;

    }

​

    public void setName(String name) {

        this.name = name;

    }

​

    public Integer getAge() {

        return age;

    }

​

    public void setAge(Integer age) {

        this.age = age;

    }

​

    @Override

    public String toString() {

        return "UserDto{" +

                "id=" + id +

                ", name='" + name + '\'' +

                ", age=" + age +

                '}';

    }

}

id,name,age

1,Ann,30

2,Seth,25

3,Tom,27