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isinsuarici · Apr 20, 2022 · 5f5c291 · 5f5c291
1 parent 7ad158a
commit 5f5c291
Showing 1 changed file with 24 additions and 0 deletions.
diff --git a/E_206_ReverseLinkedList.java b/E_206_ReverseLinkedList.java
@@ -0,0 +1,24 @@
+/**
+ * Definition for singly-linked list.
+ * public class ListNode {
+ *     int val;
+ *     ListNode next;
+ *     ListNode() {}
+ *     ListNode(int val) { this.val = val; }
+ *     ListNode(int val, ListNode next) { this.val = val; this.next = next; }
+ * }
+ */
+class Solution {
+    public ListNode reverseList(ListNode head) {
+
+        ListNode header=null;
+        while(head!=null){
+            ListNode next=head.next;
+            head.next=header;
+            header=head;
+            head=next;
+
+        }
+        return header;
+    }     
+}