diff --git a/programmers/[1차] 비밀지도/solution.java b/programmers/[1차] 비밀지도/solution.java
new file mode 100644
index 0000000..61fcf73
--- /dev/null
+++ b/programmers/[1차] 비밀지도/solution.java	
@@ -0,0 +1,24 @@
+// [문제 링크]: https://school.programmers.co.kr/learn/courses/30/lessons/17681?language=java
+
+import java.lang.StringBuilder;
+class Solution {
+    public String[] solution(int n, int[] arr1, int[] arr2) {
+        String[] answer = new String[n];
+        StringBuilder sb = new StringBuilder();
+        for(int a = 0; a < n; a++){
+            int org1 = arr1[a];
+            int org2 = arr2[a];
+            for(int b = n-1; b >= 0; b--){
+                if(org1/(int)Math.pow(2,b) + org2/(int)Math.pow(2,b) > 0){
+                    org1 -= (org1/(int)Math.pow(2,b) > 0) ? (int)Math.pow(2,b) : 0;
+                    org2 -= (org2/(int)Math.pow(2,b) > 0) ? (int)Math.pow(2,b) : 0;
+                    sb.append("#");   
+                } 
+                else sb.append(" ");
+            }
+            answer[a] = sb.toString();
+            sb.setLength(0);
+        }
+        return answer;
+    }
+}
\ No newline at end of file