Method hashCode

lib/java/util/Hashtable.java:534–553

()

    }

    @Override
    public synchronized int hashCode() {
        int result = 0;
        Iterator<Map.Entry<K, V>> it = entrySet().iterator();
        while (it.hasNext()) {
            Map.Entry<K, V> entry = it.next();
            Object key = entry.getKey();
            if (key == this) {
                continue;
            }
            Object value = entry.getValue();
            if (value == this) {
                continue;
            }
            int hash = (key != null ? key.hashCode() : 0)
                    ^ (value != null ? value.hashCode() : 0);
            result += hash;
        }
        return result;
    }

    /**
     * Returns true if this {@code Hashtable} has no key/value pairs.