Depth First Search/Traversal in Binary TreeObjective: – Given a Binary Search Tree, Do the Depth First Search/Traversal . - Approach is quite simple, use Stack. - First add the add root to the Stack. - Pop out an element from Stack and add its right and left children to stack. - Pop out an element and print it and add its children. - Repeat the above two steps until the Stack id empty. Depth-First-Search : 1 2 4 5 3 6 7Top Companies Interview Questions..-If you find anything incorrect or you feel that there is any better approach to solve the above problem, please write comment.