title: Can FTPSClient from Apache Java library be used to transfer a file over SFTP?
body: <p>There is already a question on this:<br>
  <a href="https://stackoverflow.com/questions/12803942/secure-ftp-with-org-apache-commons-net-ftp-ftpclient">Secure FTP with org.apache.commons.net.ftp.FTPClient</a> </p>
  
  <p>But there is no accepted answer given.</p>