feat: java code

azl397985856 · web-flow · commit 05ff22a80d25 · 2022-09-29T10:11:16.000+08:00
diff --git a/problems/198.house-robber.md b/problems/198.house-robber.md
@@ -102,7 +102,7 @@ return b;
 
 ## 代码
 
-- 语言支持：JS，C++，Python
+- 语言支持：JS，C++，Python，Java
 
 JavaScript Code：
 
@@ -167,6 +167,29 @@ class Solution:
             return cur
 ```
 
+Java Code:
+
+```java
+class Solution {
+    public int rob(int[] nums) {
+        if (nums == null || nums.length == 0) {
+            return 0;
+        }
+        int length = nums.length;
+        if (length == 1) {
+            return nums[0];
+        }
+        int prev = nums[0], cur = Math.max(nums[0], nums[1]);
+        for (int i = 2; i < length; i++) {
+            int temp = cur;
+            cur = Math.max(prev + nums[i], cur);
+            prev = temp;
+        }
+        return cur;
+    }
+}
+```
+
 **复杂度分析**
 
 - 时间复杂度：$O(N)$
