Untitled

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

public class Login {

    private static URL URLObj;
    private static URLConnection connect;

    public static void main(String[] args) {
        try {

            URLObj = new URL("http://www.hackthissite.org/user/login");
            connect = URLObj.openConnection();
            connect.addRequestProperty("REFERER", "http://www.hackthissite.org");
            connect.setDoOutput(true);

        }
        catch (MalformedURLException ex) {
            System.out.println("The URL specified was unable to be parsed or uses an invalid protocol. Please try again.");
            System.exit(1);
        }
        catch (Exception ex) {
            System.out.println("An exception occurred. " + ex.getMessage());
            System.exit(1);
        }

        try {
            BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(connect.getOutputStream()));
            writer.write("username=BrandonHeat&password=**********&btn_submit=Login");
            writer.close();

            BufferedReader reader = new BufferedReader(new InputStreamReader(connect.getInputStream()));

            String lineRead = "";

            while ((lineRead = reader.readLine()) != null) {
                System.out.println(lineRead);
            }

            reader.close();
        }
        catch (Exception ex) {
            System.out.println("There was an error reading or writing to the URL: " + ex.getMessage());
        }

    }

}