Question: Given the code below, complete the helper methods to recursively traverse the tree using post-order and in-order traversal. You must use recursion, there is no

Given the code below, complete the helper methods to recursively traverse

Given the code below, complete the helper methods to recursively traverse the tree using post-order and in-order traversal. You must use recursion, there is no credit for using a for or while loop of any kind. public class BTNode { public T value; public BTNode left, right; // pointers to two children 3 public void TreeTraversals(BTNode node) \{ List postorderResult = new Array List(); List inorderResult = new ArrayList 0; postorderHelper(node, postorderResult ); inorderHelper(node, inorderResult); \} public void postorderHelper(BTNode node, List postorder Result) \{ // TODO postordertraversal \} public void inorderHelper (BTNode node, List inorderResult) \{ I/ TODO inorder traversal \} NOTE: You may use any method in the ArrayList API in your

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