gistfile1.txt

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;

public class HttpClient {

    public static String getHTML(String urlToRead) throws Exception {
        StringBuilder result = new StringBuilder();
        URL url = new URL(urlToRead);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("GET");
        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String line;
        while ((line = rd.readLine()) != null) {
            result.append(line);
        }
        rd.close();
        return result.toString();
    }

    public static void main(String[] args) throws Exception {
        String getURL = (args.length == 0) ? "https://graph.facebook.com" : args[0];
        System.out.println(getHTML(getURL));
    }
}