public class DoubleParserBug
{
  static void attempt (String s)
  {
    System.out.println("Attempting to parse \"" + s + "\" as double");
    try
    {
      double number = Double.parseDouble (s);
      System.out.println("value is " + number);
    }
    catch( NumberFormatException e )
    {
      e.printStackTrace ();
    }    
  }
  
  static public void main (String[] args)
  {
    attempt ("5");
    attempt ("     5");
  }
}