Entry getEntry(Object key) {
    int hash = (key == null) ? 0 : hash(hashingStrategy.hashCode(key));
    for (Entry e = table[indexFor(hash, table.length)]; e != null; e = e.next) {
      Object k;
      if (e.hash == hash
          && ((k = e.key) == key || (key != null && hashingStrategy.equals(k, key)))) {
        return e;
      }
    }
    return null;
  }
Returns the entry associated with the specified key in the IntHashMap. Returns null if the
IntHashMap contains no mapping for the key.
geode-core/src/main/java/org/apache/geode/cache/query/internal/ObjectIntHashMap.java