How jmeter the bean shell to write data to a file

import java.io.*;
 
String filePath = "/data/account.txt";
String conent = vars.get("account");
BufferedWriter out = null;
 
try {
        File file = new File(filePath);
        File fileParent = file.getParentFile();
        if (!fileParent.exists()) {
         fileParent.mkdirs();
        }
        file.createNewFile();
    out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(file, true)));
    out.write(conent + "\r\n");
} catch (Exception e) {
    e.printStackTrace();
} finally {
    try {
        out.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
}