diff --git a/programmers/자릿수 더하기/solution.java b/programmers/자릿수 더하기/solution.java
new file mode 100644
index 0000000..53a38b7
--- /dev/null
+++ b/programmers/자릿수 더하기/solution.java	
@@ -0,0 +1,13 @@
+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/12931
+
+import java.util.*;
+
+public class Solution {
+    public int solution(int n) {
+        int answer = 0;
+        for(int a : (n+"").toCharArray()){
+            answer += Character.getNumericValue(a);
+        }
+        return answer;
+    }
+}
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