From 39bfe74698fcc6a8ae7167c6332c10210111cc96 Mon Sep 17 00:00:00 2001
From: 63914ff3944d4e24f8a288c2 <63914ff3944d4e24f8a288c2@devide>
Date: Fri, 14 Apr 2023 03:45:00 +0000
Subject: [PATCH] Fri Apr 14 03:45:00 UTC 2023 inscode

---
 Main.java | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/Main.java b/Main.java
index 1a68b2d..369062b 100644
--- a/Main.java
+++ b/Main.java
@@ -1,5 +1,30 @@
 class Main {
   public static void main(String[] args) {
     System.out.println("Hello world!");
+   
+   /* *public boolean isSymmetric(TreeNode root) {
+      if (root == null)
+          return true;
+      //从两个子节点开始判断
+      return isSymmetricHelper(root.left, root.right);
+  }
+  
+  public boolean isSymmetricHelper(TreeNode left, TreeNode right) {
+      //如果左右子节点都为空，说明当前节点是叶子节点，返回true
+      if (left == null && right == null)
+          return true;
+      //如果当前节点只有一个子节点或者有两个子节点，但两个子节点的值不相同，直接返回false
+      if (left == null || right == null || left.val != right.val)
+          return false;
+      //然后左子节点的左子节点和右子节点的右子节点比较，左子节点的右子节点和右子节点的左子节点比较
+      return isSymmetricHelper(left.left, right.right) && isSymmetricHelper(left.right, right.left);
+  }*/
+  for(int i=0;i<100;i++){
+    System.out.println("Hello world!");
+    if(i>8){
+      return;
+    }
+  }
+  
   }
 }
\ No newline at end of file
-- 
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