final Entry<K, V>[] oldTable = listTable;
            final int newCapacity = oldTable.length * 2 + 1;
            @SuppressWarnings("unchecked")
            final Entry<K, V>[] newMapTable = new Entry[newCapacity];
            @SuppressWarnings("unchecked")
            final Entry<K, V>[] newListTable = new Entry[newCapacity];
            threshold = (int) (newCapacity * LOAD_FACTOR);