refactor 206

fishercoder1534 · fishercoder1534 · commit d93a5bf568f1 · 2021-09-07T08:53:25.000-07:00
diff --git a/src/main/java/com/fishercoder/solutions/_206.java b/src/main/java/com/fishercoder/solutions/_206.java
@@ -6,15 +6,14 @@ public class _206 {
 
     public static class Solution1 {
         public ListNode reverseList(ListNode head) {
-            ListNode prev = null;
-            ListNode curr = head;
-            while (curr != null) {
-                ListNode next = curr.next;
-                curr.next = prev;
-                prev = curr;
-                curr = next;
+            ListNode newHead = null;
+            while (head != null) {
+                ListNode next = head.next;
+                head.next = newHead;
+                newHead = head;
+                head = next;
             }
-            return prev;
+            return newHead;
         }
     }
 
