2.java

import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVParser;
import org.apache.commons.csv.CSVRecord;
import java.io.BufferedReader;
import java.io.FileReader;

public class CsvReader {
    public static void main(String[] args) {
        try(
                BufferedReader br = new BufferedReader(new FileReader("Sacramentorealestatetransactions.csv"));
                CSVParser parser = CSVFormat.DEFAULT.withDelimiter(',').withHeader().parse(br);
        ) {
            for(CSVRecord record : parser) {
                System.out.println(record.get("price"));
            }
        } catch (Exception e) {
            System.out.println(e);
        }
    }
}