import java.net.*;
import java.io.*;
public class LiesURL {
  public static void main(String[] args) {
    try {
      URL u = new URL(args[0]);
      BufferedReader in = new BufferedReader(
                                new InputStreamReader(
                                       u.openStream()));
      String zeile;
      while ((zeile = in.readLine()) != null)
        System.out.println(zeile);
      in.close();
    }
    catch (ArrayIndexOutOfBoundsException ae) {
      System.out.println("Aufruf: java LiesURL <URL>");
    }
    catch (MalformedURLException me) {
      System.out.println(args[0] + " ist keine zulaessige URL");
    }
    catch (IOException e) {
      e.printStackTrace();
    }
  }
}