ExemploURL.java

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

class ExemploURL {
   public static String getHtml(String endereco){
      URL url;
      InputStream is = null;
      BufferedReader br;
      String resp = "", line;

      try {
         url = new URL(endereco);
         is = url.openStream();  // throws an IOException
         br = new BufferedReader(new InputStreamReader(is));

         while ((line = br.readLine()) != null) {
            resp += line + "\n";
         }
      } catch (MalformedURLException mue) {
         mue.printStackTrace();
      } catch (IOException ioe) {
         ioe.printStackTrace();
      } 

      try {
         is.close();
      } catch (IOException ioe) {
         // nothing to see here

      }

      return resp;
   }
   public static void main(String[] args) {
      String endereco, html;
      endereco = "http://maratona.crc.pucminas.br/series/Friends.html";
      html = getHtml(endereco);
      System.out.print(html);
   }
}