如何在Java中将一个csv文件映射到另一个数据略有不同的文件？CSV1有F名称、L名称、体重、职业。CSV2有名字，体重，职业

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.FileReader;
import java.io.FileWriter;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

public class CSVConverter {
    public static void main(String[] args) {
        String csv1FilePath = "path/to/csv1.csv";
        String csv2FilePath = "path/to/csv2.csv";

        List<String[]> csv1Data = readCSV(csv1FilePath);
        List<String[]> csv2Data = convertData(csv1Data);

        writeCSV(csv2FilePath, csv2Data);
    }

    private static List<String[]> readCSV(String filePath) {
        List<String[]> data = new ArrayList<>();

        try (BufferedReader br = new BufferedReader(new FileReader(filePath))) {
            String line;
            while ((line = br.readLine()) != null) {
                String[] fields = line.split(",");
                data.add(fields);
            }
        } catch (IOException e) {
            e.printStackTrace();
        }

        return data;
    }

    private static List<String[]> convertData(List<String[]> csv1Data) {
        List<String[]> csv2Data = new ArrayList<>();

        for (String[] fields : csv1Data) {
            String firstName = fields[0];
            String lastName = fields[1];
            String weight = fields[2];
            String occupation = fields[3];

            String[] convertedFields = {firstName + " " + lastName, weight, occupation};
            csv2Data.add(convertedFields);
        }

        return csv2Data;
    }

    private static void writeCSV(String filePath, List<String[]> data) {
        try (BufferedWriter bw = new BufferedWriter(new FileWriter(filePath))) {
            for (String[] fields : data) {
                String line = String.join(",", fields);
                bw.write(line);
                bw.newLine();
            }
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}