How to move file in remote unix machine

Session session=null;
        JSch jsch = new JSch();
   
        session = jsch.getSession("username", "HostName", 22);
        session.setConfig("StrictHostKeyChecking", "no");
        session.setPassword("Password");
        session.connect();
        Channel channel = session.openChannel("sftp");
        Channel channel1=null;
        channel.connect();
        ChannelSftp sftpChannel = (ChannelSftp) channel;
        ChannelSftp sftpChannel1=null;
     
        sftpChannel.cd("Destination path");

        FileInputStream fis=null;       
        fis = new FileInputStream("SourcePath"+file);
        sftpChannel.put(fis,"Destination path"+file);       

        channel.disconnect();
        fis.close();
        sftpChannel.exit();
        session.disconnect();