import com.jcraft.jsch.*;

public class test {
    public static void main(String args[]) {
        JSch jsch = new JSch();
        Session session = null;
        try {
            session = jsch.getSession("ARCADE", "172.16.10.45", 22);
            session.setConfig("StrictHostKeyChecking", "no");
            session.setPassword("recallboxroot");
            System.out.println("intentando conectar...");
            session.connect();
            System.out.println("conectó");
            Channel channel = session.openChannel("sftp");
            channel.connect();
            ChannelSftp sftpChannel = (ChannelSftp) channel;
            sftpChannel.get("test.txt", "/Documentos/test.txt");
            sftpChannel.exit();
            session.disconnect();
        } catch (JSchException e) {
            e.printStackTrace();
        } catch (SftpException e) {
            e.printStackTrace();
        }
    }
}