code: private void resize(int newSize)
      {
          Object[] keys = _keys;
          int values[] = _values;
  
          _keys = new Object[newSize];
          _values = new int[newSize];
          _size = 0;
  
          _prime = getBiggestPrime(_keys.length);
  
          for (int i = keys.length - 1; i >= 0; i--) {
              Object key = keys[i];
  
              if (key != null) {
                  put(key, values[i], true);
              }
          }
      }
docs: Expands the property table