diff --git a/programmers/K번째수/solution.java b/programmers/K번째수/solution.java
new file mode 100644
index 0000000..54e1a37
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+++ b/programmers/K번째수/solution.java
@@ -0,0 +1,20 @@
+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/42748
+
+import java.util.*;
+import java.util.stream.IntStream;
+class Solution {
+    public int[] solution(int[] array, int[][] commands) {
+        int[] answer = new int[commands.length];
+        int index = 0;
+        for(int[] a : commands){
+            int i = a[0];
+            int j = a[1];
+            int k = a[2];
+            int[] res = IntStream.range(i, j + 1)
+                                .map(o -> array[o-1]).sorted()
+                                .toArray();
+            answer[index++] = res[k-1];
+        }
+        return answer;
+    }
+}
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