Update README.md

Author: AvinandanBose

README.md

@@ -3950,6 +3950,17 @@ Constructs a new, empty map, sorted according to the specified comparator.
 :Already Discussed Earlier:
 
 
+```
+
+<li><h3> <a href="https://github.com/AvinandanBose/JavaUtilMap/blob/main/constructConcurrentSkipListMap6.java">2.d.ConcurrentSkipListMap​(Comparator<? super K> comparator)</h3></li>
+
+```Syntax
+
+Constructs a new, empty map, sorted according to the specified comparator.
+
+:Already Discussed Earlier:
+
+
 ```
 
 </ul>