From f07c41e9b96b38dd980e85e6687b147f47749963 Mon Sep 17 00:00:00 2001
From: nanhuaibeian <49868746+nanhuaibeian@users.noreply.github.com>
Date: Wed, 12 May 2021 20:54:22 +0800
Subject: [PATCH] =?UTF-8?q?Update=200518.=E9=9B=B6=E9=92=B1=E5=85=91?=
 =?UTF-8?q?=E6=8D=A2II.md?=
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---
 problems/0518.零钱兑换II.md | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

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：