PostOrder traversal of a binary tree. - Programmers Heaven

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PostOrder traversal of a binary tree.

pylertpylert Posts: 0Member
edited April 2014 in Java

What's the algorithm for a PostOrder traversal of a binary tree?
This doesn't seem to be working.

public class POIterator implements Iterator{
private final Deque<BNode> someStack;
BNode position;
public POIterator(BNoderoot){
someStack = new LinkedList<BNode>();

public boolean hasNext(){return !someStack.isEmpty();}

public T next(){
position = someStack.pop();
return position.getData();

Is there something missing from my code. An error/bug perhaps?

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