diff --git "a/problems/0013.\351\225\202\347\251\272\344\270\211\350\247\222\345\275\242.md" "b/problems/0013.\351\225\202\347\251\272\344\270\211\350\247\222\345\275\242.md"
index bfe0d6ea7a9a25d6c1da445165a647eacdfab8f6..d7e25b23af6595b356101a59e14e4e8f1496e7ef 100644
--- "a/problems/0013.\351\225\202\347\251\272\344\270\211\350\247\222\345\275\242.md"
+++ "b/problems/0013.\351\225\202\347\251\272\344\270\211\350\247\222\345\275\242.md"
@@ -50,7 +50,43 @@ int main() {
 ```
 
 ## Java
+```java
+import java.util.Scanner;
 
+public class Main{
+    public static void main(String[] args) {
+        Scanner in = new Scanner(System.in);
+        while (in.hasNextLine()) {
+            String line = in.nextLine();
+            char x = line.charAt(0);
+            if (x == '@') break;
+            int n = Integer.valueOf(line.substring(2));
+            for (int i = 1; i <= n; i++) {
+                for (int j = 0; j < n - i; j++) {
+                    System.out.print(" ");//空格
+                }
+                if (i == 1) System.out.println(x);
+                else if (i > 1 && i < n) {
+                    System.out.print(x);
+                    for (int j = 0; j < 2 * (i - 1) - 1; j++) {
+                        System.out.print(" "); //镂空的空格
+                    }
+                    System.out.println(x);
+                } else if (i == n) {
+                    for (int j = 0; j < 2 * n - 1; j++) {
+                        System.out.print(x);
+                    }
+                    System.out.println();
+                }
+            }
+            System.out.println(); //忘记加了格式错误很多次。。
+        }
+    }
+}
+
+```
+
+## python 
 ```python 
 while True:
     try:
@@ -71,8 +107,6 @@ while True:
     except:
 ```
 
-## python 
-
 ## Go 
 
 ## Js