Clarify approach in ContainsDuplicateII class

harshithasudhakar · web-flow · commit 9283b78eaaf1 · 2025-11-30T22:39:17.000+05:30
Added a comment to clarify the approach used in the ContainsDuplicateII class.
diff --git a/HashMap/Sliding Window/ContainsDuplicateII.java b/HashMap/Sliding Window/ContainsDuplicateII.java
@@ -1,4 +1,4 @@
-class ContainsDuplicateII {
+class ContainsDuplicateII { // Hash Map approach
     public boolean containsNearbyDuplicate(int[] nums, int k) {
 
         Map<Integer, Integer> map = new TreeMap<>();

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-class ContainsDuplicateII {`
	`1`	`+class ContainsDuplicateII { // Hash Map approach`
`2`	`2`	`public boolean containsNearbyDuplicate(int[] nums, int k) {`
`3`	`3`
`4`	`4`	`Map<Integer, Integer> map = new TreeMap<>();`