Find the length of the linkedlist [learn traversal]

/*Complete the function below*/
/*
class Node{
    int data;
    Node next;
    Node(int a){  data = a; next = null; }
}*/

class Solution {
    // Function to count nodes of a linked list.
    public int getCount(Node head) 
    {
        // code here
        int cnt=0;
        Node temp =head;
        while(temp != null)
        {
            temp=temp.next;
             cnt++ ;
        }
        return cnt ;
        
        
        
        
        
        
        
    }
}