Create Kth Distinct String in an Array.java

varunu28 · web-flow · commit fe169cf9d706 · 2021-10-30T11:43:49.000-07:00
diff --git a/Easy/Kth Distinct String in an Array.java b/Easy/Kth Distinct String in an Array.java
@@ -0,0 +1,11 @@
+import java.util.Map.Entry;
+
+class Solution {
+  public String kthDistinct(String[] arr, int k) {
+    return Arrays.stream(arr).collect(
+            Collectors.groupingBy(Function.identity(), LinkedHashMap::new, Collectors.counting()))
+        .entrySet().stream().filter(entry -> entry.getValue().equals(1L)).map(Entry::getKey)
+        .skip(k - 1)
+        .findFirst().orElse("");
+  }
+}
