public int getCount (K key)
    {
        CountEntry<K> entry = _backing.get(key);
        return (entry == null) ? 0 : entry.count;
    }
public int getCount ( K key ) { CountEntry < K > entry = _backing . get ( key ) ; return ( entry == null ) ? 0 : entry . count ; }
Get the count for the specified key. If the key is not present, 0 is returned.