144、叶子相似的树

题目描述：

比较简单的一道题目
代码

/**
 * Definition for a binary tree node.
 * public class TreeNode {
 *     int val;
 *     TreeNode left;
 *     TreeNode right;
 *     TreeNode(int x) { val = x; }
 * }
 */
class Solution {
    public boolean leafSimilar(TreeNode root1, TreeNode root2) {
    List<Integer> r1 = new ArrayList<>();
		List<Integer> r2 = new ArrayList<>();
		getlef(root1, r1);
		getlef(root2, r2);
		
        return r1.equals(r2)? true : false;
		
    }
	public void getlef(TreeNode root1,List<Integer> tem){
		if(root1 == null){
			return ;
		}
		if(root1.left == null && root1.right == null){
			tem.add(root1.val);
		}
		getlef(root1.left, tem);
		getlef(root1.right, tem);
	}
}