import java.net.URL;
import java.net.URLConnection;

public class Test
{
    private static String nickname = "User1";
    private static String password = "123";

    public static void main(String[] args)
    {
         rot13();
    }

    public static void rot13()
    {
        String urlfile = "uggc://jjj.tbbtyr.qr/"; // verschlüsselter link rot13

        StringBuffer urlfile2 = new StringBuffer();
        for (int i = 0; i < urlfile.length(); i++)
        {
            char c = urlfile.charAt(i);
            if (c >= 'a' && c <= 'm')
                c += 13;
            else if (c >= 'n' && c <= 'z')
                c -= 13;
            else if (c >= 'A' && c <= 'M')
                c += 13;
            else if (c >= 'A' && c <= 'Z')
                c -= 13;
            urlfile2.append(c);

        }
        try
        {
            URL url = new URL(urlfile2 + "?nick=" + nickname + "&pw="
                    + password);
            URLConnection con = url.openConnection();

            System.out.println(urlfile2);
        }
        catch (Exception e)
        {
        }

    }
}