Question: Given the following implementation of tree. implement the following functions.Your task is to implement three different tree traversal algorithms - preorder, inorder, and postorder traversal.

Given the following implementation of tree. implement the following functions.Your task is to implement three different tree traversal algorithms - preorder, inorder, and postorder traversal. Your implementation should include the following methods:preorderTraversal(TreeNode root): This method should return a List
Given the following implementation of tree. implement the following functions.Your task

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