diff --git "a/problems/0015.\347\245\236\347\247\230\345\255\227\347\254\246.md" "b/problems/0015.\347\245\236\347\247\230\345\255\227\347\254\246.md"
index 2d0c8ed00a14c8ca8b6b44e14dacfee0bf061ed2..c27a30025b3deb000bac8113f6aa4d785df231c6 100644
--- "a/problems/0015.\347\245\236\347\247\230\345\255\227\347\254\246.md"
+++ "b/problems/0015.\347\245\236\347\247\230\345\255\227\347\254\246.md"
@@ -60,6 +60,24 @@ public class Main {
     }
 }
 ```
+### Java思路2
+```java
+import java.util.Scanner;
+
+public class Main{
+    public static void main(String[] args) {
+        Scanner in = new Scanner(System.in);
+        int n = in.nextInt();
+        for (int i = 0; i < n; i++) {
+            String a = in.next();
+            String b = in.next();
+            StringBuilder sb = new StringBuilder(a);
+            sb.insert(a.length() / 2, b);
+            System.out.println(sb.toString());
+        }
+    }
+}
+```
 ## python 
 
 ```python