diff --git a/problems/0518.零钱兑换II.md b/problems/0518.零钱兑换II.md
index 46e52cc0..15c9d7d0 100644
--- a/problems/0518.零钱兑换II.md
+++ b/problems/0518.零钱兑换II.md
@@ -188,7 +188,22 @@ public:
 
 
 Java：
-
+```Java
+class Solution {
+    public int change(int amount, int[] coins) {
+        //递推表达式
+        int[] dp = new int[amount + 1];
+        //初始化dp数组，表示金额为0时只有一种情况，也就是什么都不装
+        dp[0] = 1;
+        for (int i = 0; i < coins.length; i++) {
+            for (int j = coins[i]; j <= amount; j++) {
+                dp[j] += dp[j - coins[i]];
+            }
+        }
+        return dp[amount];
+    }
+}
+```
 
 Python：