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  1. Tree: Preorder Traversal
  2. Discussions

Tree: Preorder Traversal

  • abdulsohail699
     + 0 comments

    Java

    • visit the nodes in a order. left then right.
    • Recursive call on left sub tree.
    • Recursive call on right sub tree.
    public static void preOrder(Node root) {
        if(root != null){
            System.out.print(root.data+" ");
            preOrder(root.left);
            preOrder(root.right);
        }
    }