Method hashCode

lib/java/util/AbstractMap.java:194–202

Returns the hash code for this object. Objects which are equal must return the same value for this method. @return the hash code of this object. @see #equals(Object)

()

     * @see #equals(Object)
     */
    @Override
    public int hashCode() {
        int result = 0;
        Iterator<Map.Entry<K, V>> it = entrySet().iterator();
        while (it.hasNext()) {
            result += it.next().hashCode();
        }
        return result;
    }

    /**
     * Returns whether this map is empty.