Method put

src/main/java/org/codehaus/groovy/util/ListHashMap.java:139–170

{@inheritDoc}

(K key, V value)

    /** {@inheritDoc} */
    @Override
    public V put(K key, V value) {
        if (key != null) {
            if (value == null) {
                return remove(key);
            }
            if (innerMap != null) {
                V old = innerMap.put(key, value);
                if (old == null) size += 1;
                return old;
            }
            for (int i = 0; i < size; i += 1) {
                if (key.equals(keys[i])) {
                    V old = values[i];
                    values[i] = value;
                    return old;
                }
            }
            if (size < keys.length) {
                int i = (size ++);
                values[i] = value;
                keys[i] = key;
            } else { // evolve
                Map<K,V> map = toMap();
                map.put(key, value);
                innerMap = map;
                clearArrays();
                size += 1;
            }
        }
        return null;
    }

    /** {@inheritDoc} */
    @Override