public void configure(String configFileName) {
public static void configure(String configFileName) {
   public void configure(String configFileName) {    Properties props = new Properties();  //the property hashtable    try {      FileInputStream istream = new FileInputStream(configFileName);      props.load(istream);      istream.close();    }    catch (IOException e) {      System.err.println("Could not read configuration file [" + configFileName+ "].");     // e.printStackTrace();      System.err.println("Ignoring configuration file [" + configFileName+"].");      System.err.println("using default config");      defaultConfig();      return;    }    // If we reach here, then the config file is alright.    System.out.println("Reading configuration.");    configure(props);  }