Java program for Socket Programming

/* Socket Programming */

import java.net.*;
import java.io.*;

class Whois
{
    public static void main(String args[]) throws Exception
    {
        int c;
        Socket s = new Socket("whois.internic.net",43);
        InputStream in = s.getInputStream();
        OutputStream out = s.getOutputStream();
        String str=(args.length == 0 ? "MHProfessional.com": args[0]) +"\n";
        byte buf[]=str.getBytes();
        out.write(buf);
        while((c = in.read()) != -1)
        {
            System.out.print((char) c);
        }
        s.close();
    }
}