public Integer put(final K key, final Integer value)
    {
        return valueOrNull(put(key, (int)value));
    }
@Test
    void shouldCopyConstructAndBeEqual()
    {
        final int[] testEntries = { 3, 1, 19, 7, 11, 12, 7 };

        for (final int testEntry : testEntries)
        {
            objectToIntMap.put(String.valueOf(testEntry), testEntry);
        }

        final Object2IntHashMap<String> mapCopy = new Object2IntHashMap<>(objectToIntMap);
        assertThat(mapCopy, is(objectToIntMap));
    }