/** * Checks for the present of <tt>key</tt> in the keys of the map. * * @param key an <code>Object</code> value * @return a <code>boolean</code> value */ public boolean containsKey(Object key) { return _map.containsKey(unwrapKey(key)); }
long k = unwrapKey(key); Object v = unwrapValue(val); if (_map.containsKey(k) && v == _map.get(k)) {