public V put()

in src/main/java/org/apache/commons/collections4/map/StaticBucketMap.java [277:314]

• 28 lines of code
• 4 McCabe index (conditional complexity)

    public V put(final K key, final V value) {
        final int hash = getHash(key);

        synchronized (locks[hash]) {
            Node<K, V> n = buckets[hash];

            if (n == null) {
                n = new Node<>();
                n.key = key;
                n.value = value;
                buckets[hash] = n;
                locks[hash].size++;
                return null;
            }

            // Set n to the last node in the linked list.  Check each key along the way
            //  If the key is found, then change the value of that node and return
            //  the old value.
            for (Node<K, V> next = n; next != null; next = next.next) {
                n = next;

                if (Objects.equals(n.key, key)) {
                    final V returnVal = n.value;
                    n.value = value;
                    return returnVal;
                }
            }

            // The key was not found in the current list of nodes, add it to the end
            //  in a new node.
            final Node<K, V> newNode = new Node<>();
            newNode.key = key;
            newNode.value = value;
            n.next = newNode;
            locks[hash].size++;
        }
        return null;
    }