Circular | Linked List | Question 4

int function()
{
    if (head == null)
        return Integer.MIN_VALUE;
    int var;
    Node temp = head;
    while (temp.getNext() != head)
        temp = temp.getNext();
    if (temp == head) {
        var = head.getItem();
        head = null;
        return var;
    }
    temp.setNext(head.getNext());
    var = head.getItem();
    head = head.getNext();
    return var;
}