Circularly Linked List

Step 3: Count elements Circularly Linked List

To count all elements of the circularly linked list, we will need a loop to traverse through the circularly linked list. We will let a link (i) of ListElem type to point to the pfirst then move the link to its next element and increase the number of item(t) one at a time by using a while loop until the end of the circularly linked list is reached.

 

// count the number of items in the list

public int countitem()


            {
                ListNode<T> i;
                int t = 0;
                if (pfirst != null)
                {
                    t = 1;

                    for (i = pfirst.next; i != pfirst; i = i.next)
                    {
                        t = t + 1;
                    }

 


                }
                return t;
            }

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