The InOrder traversal is also known as the left-node-right or left-root-right traversal or LNR traversal algorithm. Continuing the same algorithm until all nodes of the binary tree are visited. At that point in time, you print the value of the node or mark it visited and move to the right subtree. You start traversal from the root then go to the left node, then again go to the left node until you reach a leaf node. During the in-order traversal algorithm, the left subtree is explored first, followed by root, and finally nodes on the right subtree. The InOrder traversal is one of the three popular ways to traverse a binary tree data structure, the other two being the preOrder and postOrder. We will also see an implementation using the Java programming language. In the past, I have shared the best data structure courses and data structure interview questions, and today, I will teach you about interesting and useful binary tree algorithms called InOrer traversal. Unfortunately, he didn’t know that InOrder traversal can be used to print nodes in sorted order and he asked me after the interview. Hello guys, recently one of my readers was asked about how do you print all nodes of a binary search tree in sorted order during a telephonic Java interview. Grokking the Coding Interview: Patterns for Coding Questions
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