Method main

src/com/blankj/hard/_1028/Solution.java:73–78

(String[] args)

    }

    public static void main(String[] args) {
        Solution solution = new Solution();
        TreeNode.print(solution.recoverFromPreorder("1-2--3--4-5--6--7"));
        System.out.println("==============================================");
        TreeNode.print(solution.recoverFromPreorder("1-2--3---4-5--6---7"));
    }
}