Question
Given the following code snippet, which operation is performed on the binary tree to produce the output: 4, 2, 5, 1, 3 ? class Node { int data; Node left, right; Node( int value) { data = value; left = right = null ; } } void traverse (Node root) { if (root == null ) return ; traverse(root.left); System.out.print(root.data + " " ); traverse(root.right); }
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