update post

dev-jonghoonpark · May 29, 2024 · f289d93 · f289d93
1 parent 5e40e17
commit f289d93
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/_posts/2024-04-18-leetcode-347.md b/_posts/2024-04-18-leetcode-347.md
@@ -19,10 +19,10 @@ date: 2024-04-18 12:30:00 +0900
 ```java
 public int[] topKFrequent(int[] nums, int k) {
     Map<Integer, Integer> counter = new HashMap<>();
+
     Arrays.stream(nums)
             .forEach(num -> {
-                Integer count = counter.get(num);
-                counter.put(num, count == null ? 1 : count + 1);
+                counter.put(num, counter.getOrDefault(num, 0) + 1);
             });
 
     return Arrays.copyOfRange(counter.entrySet().stream()