Traversing a tree using Preorder traveral recursively

package in.blogspot.arunj2ee.ds.tree.traversal;

import in.blogspot.arunj2ee.ds.tree.BinaryTreeNode;
import in.blogspot.arunj2ee.ds.tree.util.TreeUtil;

/**
 * Traversing a tree using Preorder traveral recursively
 * Preorder ==> Node, Left,Right
 * Time Complexity: O(n), Space Complexity: O(n)
 * @author Arun.Singh
 *
 */
public class PreorderTraversalRecursion {
public static void preOrderTraversal(BinaryTreeNode root) {
if (root != null) {
System.out.print(root.getData());
preOrderTraversal(root.getLeft());
preOrderTraversal(root.getRight());
}
}

public static void main(String[] args) {
preOrderTraversal(TreeUtil.makeSampleBinaryTree());
}

}

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Refer Core Classes: http://arunj2ee.blogspot.in/2017/05/tree-core-and-utility-classes.html
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Arun is a JAVA/J2EE developer and passionate about coding and managing technical team.