From 2b65c229b5d355ac736d52c53a0dc95a2153fe09 Mon Sep 17 00:00:00 2001
From: Joshua <47053655+Joshua-Lu@users.noreply.github.com>
Date: Thu, 13 May 2021 22:45:20 +0800
Subject: [PATCH] =?UTF-8?q?Update=200209.=E9=95=BF=E5=BA=A6=E6=9C=80?=
 =?UTF-8?q?=E5=B0=8F=E7=9A=84=E5=AD=90=E6=95=B0=E7=BB=84.md?=
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添加 0209.长度最小的子数组 Java版本
---
 problems/0209.长度最小的子数组.md | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/problems/0209.长度最小的子数组.md b/problems/0209.长度最小的子数组.md
index 1b00c4e3..c4b14d6e 100644
--- a/problems/0209.长度最小的子数组.md
+++ b/problems/0209.长度最小的子数组.md
@@ -148,7 +148,24 @@ class Solution:
 
 
 Java：
-
+```java
+class Solution {
+    // 滑动窗口
+    public int minSubArrayLen(int s, int[] nums) {
+        int left = 0;
+        int sum = 0;
+        int result = Integer.MAX_VALUE;
+        for (int right = 0; right < nums.length; right++) {
+            sum += nums[right];
+            while (sum >= s) {
+                result = Math.min(result, right - left + 1);
+                sum -= nums[left++];
+            }
+        }
+        return result == Integer.MAX_VALUE ? 0 : result;
+    }
+}
+```
 
 Python：