diff --git a/programmers/시저 암호/solution.java b/programmers/시저 암호/solution.java
new file mode 100644
index 0000000..cca7cda
--- /dev/null
+++ b/programmers/시저 암호/solution.java	
@@ -0,0 +1,16 @@
+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/12926
+
+class Solution {
+    public String solution(String s, int n) {
+        String answer = "";
+        char[] sol = s.toCharArray();
+        for(int i = 0; i < sol.length; i++){
+            if(sol[i] != ' '){
+                if(sol[i] >= 'a' && sol[i] <= 'z' && sol[i] + n > 'z') sol[i] += n - 'z' + 'a' -1;
+                    else if(sol[i] >= 'A' && sol[i] <= 'Z' && sol[i] + n > 'Z') sol[i] += n -'Z' + 'A' -1;
+                        else sol[i] += n;
+            }
+        }
+        return String.valueOf(sol);
+    }
+}
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