diff --git a/programmers/모스부호 (1)/solution.java b/programmers/모스부호 (1)/solution.java
new file mode 100644
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+++ b/programmers/모스부호 (1)/solution.java	
@@ -0,0 +1,44 @@
+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/120838
+
+import java.util.HashMap;
+import java.lang.StringBuilder;
+class Solution {
+    public String solution(String letter) {
+        HashMap<String,String> hm = new HashMap<>(){
+            {
+                put(".-", "a");
+                put("-...", "b");
+                put("-.-.", "c");
+                put("-..", "d");
+                put(".", "e");
+                put("..-.", "f");
+                put("--.", "g");
+                put("....", "h");
+                put("..", "i");
+                put(".---", "j");
+                put("-.-", "k");
+                put(".-..", "l");
+                put("--", "m");
+                put("-.", "n");
+                put("---", "o");
+                put(".--.", "p");
+                put("--.-", "q");
+                put(".-.", "r");
+                put("...", "s");
+                put("-", "t");
+                put("..-", "u");
+                put("...-", "v");
+                put(".--", "w");
+                put("-..-", "x");
+                put("-.--", "y");
+                put("--..", "z");
+            }
+        };
+        
+        StringBuilder answer = new StringBuilder();
+        for(String s : letter.split(" ")){
+            answer.append(hm.get(s));
+        }
+        return answer.toString();
+    }
+}
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