From ea0e63969583ee340924ee6bfb8cbb8b6688c23e Mon Sep 17 00:00:00 2001
From: weikunkun <kongwiki@163.com>
Date: Tue, 11 May 2021 19:00:36 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A00001.=E4=B8=A4=E6=95=B0?=
 =?UTF-8?q?=E4=B9=8B=E5=92=8C=20Java=E7=89=88=E6=9C=AC?=
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---
 problems/0001.两数之和.md | 19 ++++++++++++++++++-
 1 file changed, 18 insertions(+), 1 deletion(-)

diff --git a/problems/0001.两数之和.md b/problems/0001.两数之和.md
index 5a74b919..7425ff4f 100644
--- a/problems/0001.两数之和.md
+++ b/problems/0001.两数之和.md
@@ -85,7 +85,24 @@ public:
 
 
 Java：
-
+```java
+public int[] twoSum(int[] nums, int target) {
+    int[] res = new int[2];
+    if(nums == null || nums.length == 0){
+        return res;
+    }
+    Map<Integer, Integer> map = new HashMap<>();
+    for(int i = 0; i < nums.length; i++){
+        int temp = target - nums[i];
+        if(map.containsKey(temp)){
+            res[1] = i;
+            res[0] = map.get(temp);
+        }
+        map.put(nums[i], i);
+    }
+    return res;
+}
+```
 
 Python：