From 1dbbb23cfd5fedcca7ab6a258e9b73e9639d4ac7 Mon Sep 17 00:00:00 2001
From: Abhijay Kumar <abhijaynsit@gmail.com>
Date: Wed, 29 May 2019 16:53:42 +0530
Subject: [PATCH] Fix for Issue #771. position=size causes NPE

---
 DataStructures/Lists/SinglyLinkedList.java | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/DataStructures/Lists/SinglyLinkedList.java b/DataStructures/Lists/SinglyLinkedList.java
index c9d2413a8..659ba866c 100644
--- a/DataStructures/Lists/SinglyLinkedList.java
+++ b/DataStructures/Lists/SinglyLinkedList.java
@@ -66,13 +66,12 @@ class SinglyLinkedList {
     }
 
     /**
-    * This method deletes an element at Nth position
-    */
+     * This method deletes an element at Nth position
+     */
     public void deleteNth(int position) {
-         if (position < 0 || position > getSize()) {
+        if (position < 0 || position >= getSize()) {
             throw new RuntimeException("position less than zero or position more than the count of list");
-        }
-        else if (position == 0)
+        } else if (position == 0)
             deleteHead();
         else {
             Node cur = head;