String HOST = "online.irz.net";
        int PORT = 22922;
        String PUSER = "user";
        String PASS = "pass";
       String WORKINGDIR = "/var/nginx/f_www/folder";

        Session session = null;
        Channel channel = null;
        ChannelSftp channelSftp = null;

        JSch jsch = new JSch();
        session = jsch.getSession(PUSER, HOST, PORT);
        session.setPassword(PASS);
        java.util.Properties config = new java.util.Properties();
        config.put("StrictHostKeyChecking", "no");
        session.setConfig(config);
        session.connect();
        channel = session.openChannel("sftp");
        channel.connect();
        channelSftp = (ChannelSftp) channel;
        channelSftp.cd(WORKINGDIR);
        File f = new File("C:\\Users\\User\\Desktop\\temp\\t.txt");
        channelSftp.put(new FileInputStream(f), f.getName());