Enumeration enum = task.getPrepositionalPhrases(); if (!enum.hasMoreElements())
Enumeration en = task.getPrepositionalPhrases(); if (!en.hasMoreElements())
  public static NewTask addPrepositionalPhrase(NewTask task, PrepositionalPhrase pp) {    Enumeration enum = task.getPrepositionalPhrases();    if (!enum.hasMoreElements())      task.setPrepositionalPhrases(pp);    else {      Vector phrases = new Vector();      while (enum.hasMoreElements()) {        phrases.addElement(enum.nextElement());      }