refactor 148

Author: fishercoder1534

src/main/java/com/fishercoder/solutions/_148.java

@@ -6,6 +6,14 @@
  * 148. Sort List
  *
  * Sort a linked list in O(n log n) time using constant space complexity.
+ *
+ * Example 1:
+ * Input: 4->2->1->3
+ * Output: 1->2->3->4
+ *
+ * Example 2:
+ * Input: -1->5->3->4->0
+ * Output: -1->0->3->4->5
  */
 public class _148 {