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public V get(Object key){
    if(key == null)
        return getForNullKey();
    int hash = hash(key.hashCode());
    for(Entry<K, V> e = table[indexFor(hash, table.length)]; e != null; e = e.next) {
        Object k;
        if(e.hash == hash && ((k = e.key) == key || key.equals(k))) {
            return e.value;
        }
    }
    return null;
}