// Textbook fragment 03.03
  /** Attempt to add a new score to the collection (if it is high enough) */
  public void add(GameEntry e) {
    int newScore = e.getScore();
    // is the new entry e really a high score?
    if (numEntries == maxEntries) { // the array is full
      if (newScore <= entries[numEntries-1].getScore())
        return;  // the new entry, e, is not a high score in this case
    }
    else // the array is not full
      numEntries++;
    // Locate the place that the new (high score) entry e belongs
    int i = numEntries-1;
    for ( ; (i >= 1) && (newScore > entries[i-1].getScore()); i--)
      entries[i] = entries[i - 1];        // move entry i one to the right
    entries[i] = e;                       // add the new score to entries
  }