Method remove

java/0706-design-hashmap.java:33–43

(int key)

        return -1;
    }
    public void remove(int key) {
        int h = hash(key);
        ListNode node = data[h];
        if (node == null) return;
        if (node.key == key) data[h] = node.next;
        else for (; node.next != null; node = node.next)
            if (node.next.key == key) {
                node.next = node.next.next;
                return;
            }
    }
}