proxy.connect("195.58.170.125", 21);
socket = proxy.connect("195.58.170.125", 21);
    public static void main (String args[]) {        Socks4 proxy = new Socks4("201.252.3.145",1080, "anonymous");        try {            proxy.connect("195.58.170.125", 21);        }catch(Exception e) {            e.printStackTrace();        }    }