Remove_Nth_from_end_ofLinkedList.java

//Function to remove the Nth from end of Linked List

public class Solution {
    public ListNode removeNthFromEnd(ListNode head, int n) {
        
       ListNode fast = head;
       ListNode slow = head;
       
       for(int i=0;i<n;i++)
       {
           fast = fast.next;
       }
       
       if(fast == null)
       {
           head = head.next;
           return head;
       }
       
       while(fast.next != null)
       {
           slow = slow.next;
           fast = fast.next;
       }
       
       slow.next = slow.next.next;
        return head;
    }
}