Thread: Binarytree in java

a

Hi and welcome

public int[] postOrder() { ...looks like the start of a method, not a data structure, although there is a hint the method returns an array of int, what should the array contain?
With what little you provided, there is no way anyone can answer that question.

Introduce yourself to forum guidelines on the announcements page and try to post a question with all of the necessary information.

The first step is to get a good description of the problem to be solved and the restrictions and requirements in solving the problem.
It looks like this step has been done for you.

The next step is to write out a plan to solve the problem. What do you have so far?

c

See the announcements page for the use of code tags when posting code.

Does it compile? Does it run? Are there any errors? What is it you are stuck on?

c