Как читать столбцы в файле csv java

dependencies {
    implementation 'com.opencsv:opencsv:5.5.2'
}

<dependencies>
    <dependency>
        <groupId>com.opencsv</groupId>
        <artifactId>opencsv</artifactId>
        <version>5.5.2</version>
    </dependency>
</dependencies>

Copy code
CSVReader csvReader = new CSVReaderBuilder(new FileReader("file.csv")).build();

String[] nextLine;
while ((nextLine = csvReader.readNext()) != null) {
    // Обработка строки
}

String firstColumn = nextLine[0];
String secondColumn = nextLine[1];
// и т.д.

csvReader.close();

import com.opencsv.CSVReader;
import com.opencsv.CSVReaderBuilder;

import java.io.FileReader;
import java.io.IOException;

public class CsvReaderExample {
    public static void main(String[] args) throws IOException {
        CSVReader csvReader = new CSVReaderBuilder(new FileReader("file.csv")).build();

        String[] nextLine;
        while ((nextLine = csvReader.readNext()) != null) {
            String firstColumn = nextLine[0];
            String secondColumn = nextLine[1];
            // и т.д.

            System.out.println(firstColumn + " " + secondColumn);
        }

        csvReader.close();
    }
}