class WordMap extends SimpleMapModel {
  HashMap words;

  WordMap(  ) {
    words = new HashMap(  );
  }

  void addWord(String word) {
    WordItem item = (WordItem) words.get(word);
    if (item == null) {
      item = new WordItem(word);
      words.put(word, item);
    }
    item.incrementSize(  );
  }

  void finishAdd(  ) {
    items = new WordItem[words.size(  )];
    words.values(  ).toArray(items);
  }
}