diff --git a/programmers/H-Index/solution.java b/programmers/H-Index/solution.java
new file mode 100644
index 0000000..5b09b3e
--- /dev/null
+++ b/programmers/H-Index/solution.java
@@ -0,0 +1,18 @@
+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/42747
+
+import java.util.Arrays;
+class Solution {
+    public int solution(int[] citations) {
+        int answer = 0;
+        int mlen = citations.length;
+        Arrays.sort(citations);
+        for(int c = (citations.length+1)/2; c <= mlen; c++){
+            if(citations[mlen-c] >= c) {
+                answer =  c;
+                System.out.println(c + " " + citations[mlen-c]);
+            } else break;
+        }
+        System.out.println(Arrays.toString(citations));
+        return answer;
+    }
+}
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