Javaで●ログイン

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

/* Javaで●ログイン */

class MARU{
        static String ID = ""; // ●ID
        static String PW = ""; // ●PW
        
        public static void main (String[] args){
                try {
                        String LoginURL = "https://2chv.tora3.net/futen2.cgi?ID="+ID+"&PW="+PW+"";
                        URL url = new URL(LoginURL);
                        Object content = url.getContent();
                        if( content instanceof InputStream ){
                                BufferedReader br = new BufferedReader(new InputStreamReader((InputStream)content));
                                String n;
                                while ((n = br.readLine()) != null){
                                        String sid = n.trim();
                                        sid = sid.replaceAll("SESSION-ID=","");
                                        
                                        System.out.println(sid);
                                }
                        }else{
                                System.out.println(content.toString());
                        }
                        
                }catch (IOException e){
                        System.err.println(e);
                        System.exit(-1);
                }
        }
}