Write code to traverse a binary tree in preorder and postorder.  You may use my tree code as a starting point.  The tree should contain at least eight nodes.  You may hardcode the initialization into your program like I showed in class.  Set up your tree in the program by calling setTree(---) like I did in my code. After calling your two traversals, call my inorderTraverse() method to verify that your methods print (effectively!) the same tree.  I changed the inOrderTraverse () method to be private, as I mentioned in class. Note:  When demonstrating the program, first turn in a hand-drawn picture of your tree.

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