Method dequeue

contents/data-structure/code/Queue/ArrayQueue.java:35–43

()

    }

    @Override
    public E dequeue() {
        if (isEmpty()) return null;
        E target = data[front];
        data[front] = null; // dereference to help garbage collection
        front = (front + 1) % data.length;
        size --;
        return target;
    }

    @Override
    public E peek() {