diff --git a/problems/0377.组合总和Ⅳ.md b/problems/0377.组合总和Ⅳ.md
index b0b83718..8f8cfd86 100644
--- a/problems/0377.组合总和Ⅳ.md
+++ b/problems/0377.组合总和Ⅳ.md
@@ -147,7 +147,23 @@ C++测试用例有超过两个树相加超过int的数据，所以需要在if里
 
 
 Java：
+```Java
+class Solution {
+    public int combinationSum4(int[] nums, int target) {
+        int[] dp = new int[target + 1];
+        dp[0] = 1;
+        for (int i = 0; i <= target; i++) {
+            for (int j = 0; j < nums.length; j++) {
+                if (i >= nums[j]) {
+                    dp[i] += dp[i - nums[j]];
+                }
+            }
+        }
+        return dp[target];
+    }
+}
 
+```
 
 Python：