/** Open up a URL, and read the input.
   * As a side-effect (for demonstration only), print each line to the console.
   * @return The number of lines in a given URL.
   */
  public static int countLines() throws java.net.MalformedURLException, java.io.IOException {
    final String sourcePage =   
             "http://www.radford.edu/~itec120/2010fall-ibarland/"
          // "http://www.radford.edu"
          // "file:///Users/ian/120/index.html"
          ;

    // Open sourcePage for input: (Create a URL object based on sourcePage, open that URL as a stream-of-characters,
    //                             and create a Scanner who will group that stream's characters into Strings etc.)
    java.util.Scanner src = new java.util.Scanner( new java.net.URL( sourcePage ).openStream() );

    int lineCount = 0;      // Keep track of how many lines we've seen.
    String pageSoFar = "";  // All the lines of text seen so far.

    while ( src.hasNext() ) {
      pageSoFar = pageSoFar + src.nextLine();
      lineCount = lineCount + 1;
      }

    System.out.println( "We read:\n" + pageSoFar );
    return lineCount;
    }