Linked List 2:Midpoint of Linked list

public class Solution {
    public static int printMiddel(LinkedListNode<Integer> head) {
        LinkedListNode<Integer> slow=head,fast=head;
        while(fast.next!=null && fast.next.next!=null)
        {
            slow=slow.next;
            fast=fast.next.next;
        }
        return slow.data;}
        }