Java导出csv文件

以下是Java导出CSV文件的示例代码：

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;

public class CsvExporter {
    public static void exportCsv(String[][] data, String fileName) {
        try {
            FileWriter writer = new FileWriter(new File(fileName));
            for (String[] row : data) {
                for (int i = 0; i < row.length; i++) {
                    writer.append(row[i]);
                    if (i != row.length - 1) {
                        writer.append(",");
                    }
                }
                writer.append("\n");
            }
            writer.flush();
            writer.close();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

使用示例：

public class Main {
    public static void main(String[] args) {
        String[][] data = {{"Name", "Age", "Gender"}, {"Alice", "25", "Female"}, {"Bob", "30", "Male"}};
        CsvExporter.exportCsv(data, "output.csv");
    }
}

此代码将生成一个名为`output.csv`的文件，其中包含以下内容：

Name,Age,Gender
Alice,25,Female
Bob,30,Male