From 7ff7afcfaac673ba846cc5908aa68ee13d811fe0 Mon Sep 17 00:00:00 2001
From: YellowPeaches <326826436@qq.com>
Date: Tue, 3 Aug 2021 16:25:05 +0800
Subject: [PATCH] =?UTF-8?q?update=200100=E7=9B=B8=E5=90=8C=E7=9A=84?=
 =?UTF-8?q?=E6=A0=91java=E7=89=88?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 problems/0100.相同的树.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/problems/0100.相同的树.md b/problems/0100.相同的树.md
index b536ffe3..c40f79fd 100644
--- a/problems/0100.相同的树.md
+++ b/problems/0100.相同的树.md
@@ -172,6 +172,22 @@ public:
 
 Java：
 
+```java
+class Solution {
+    public boolean isSameTree(TreeNode p, TreeNode q) {
+        if (p == null && q == null) {
+            return true;
+        } else if (q == null || p == null) {
+            return false;
+        } else if (q.val != p.val) {
+            return false;
+        } else {
+            return isSameTree(q.left, p.left) && isSameTree(q.right, p.right);
+        }
+    }
+}
+
+```
 Python：
 
 Go：