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+/**%0A * Problem: https://leetcode.com/problems/same-tree/%0A * %0A * Definition for a binary tree node.%0A * public class TreeNode %7B%0A *     int val;%0A *     TreeNode left;%0A *     TreeNode right;%0A *     TreeNode(int x) %7B val = x; %7D%0A * %7D%0A */%0Apublic class Solution %7B%0A    public boolean isSameTree(TreeNode p, TreeNode q) %7B%0A        if(p == null && q == null) return true;%0A        if(p == null && q != null) return false;%0A        if(p != null && q == null) return false;%0A        if(p.val != q.val) return false;%0A        return isSameTree(p.left, q.left) && isSameTree(p.right, q.right);%0A    %7D%0A%7D%0A

Create Same_Tree.java