From d53246138d67e2054b54bd30b596cc4e427ee25a Mon Sep 17 00:00:00 2001
From: Yuki Chen <826992207@qq.com>
Date: Sat, 20 Aug 2022 11:54:39 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A00027.=E7=A7=BB=E9=99=A4?=
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---
 problems/0027.移除元素.md | 26 +++++++++++++++++++++-----
 1 file changed, 21 insertions(+), 5 deletions(-)

diff --git a/problems/0027.移除元素.md b/problems/0027.移除元素.md
index 12f88c75..68b1d4bd 100644
--- a/problems/0027.移除元素.md
+++ b/problems/0027.移除元素.md
@@ -146,7 +146,7 @@ public:
 };
 ```
 
-  
+
 ## 相关题目推荐
 
 * 26.删除排序数组中的重复项
@@ -154,10 +154,6 @@ public:
 * 844.比较含退格的字符串
 * 977.有序数组的平方
 
-
-
-
-
 ## 其他语言版本
 
 
@@ -180,6 +176,26 @@ class Solution {
     }
 }
 ```
+```java
+//相向双指针法
+class Solution {
+    public int removeElement(int[] nums, int val) {
+        int left = 0;
+        int right = nums.length - 1;
+        while(right >= 0 && nums[right] == val) right--; //将right移到从右数第一个值不为val的位置
+        while(left <= right) {
+            if(nums[left] == val) { //left位置的元素需要移除
+                //将right位置的元素移到left（覆盖），right位置移除
+                nums[left] = nums[right];
+                right--;
+            }
+            left++;
+            while(right >= 0 && nums[right] == val) right--;
+        }
+        return left;
+    }
+}
+```
 
 Python：