code: protected ArrayList<T> createInitializedList(int size) {
  		ArrayList<T> list = new ArrayList<T>(size);
  		for (int i = 0; i < size; i++)
  			list.add(null);
  		return list;
  	}
docs: Creates a new list of specified size initialized with <code>null</code>-values.
  @param size
  @return A new list of size <code>size</code> initialized with <code>null</code>-values