A program stores data in a binary tree that is designed using Object-Oriented Programming (OOP). The tree stores data in ascending numerical order, for example: The recursive procedure OutputInOrder () outputs the data stored in the binary tree in ascending numerical order. The procedure takes a Node object as a parameter and then: - checks if the left node is null. If there is a left node, the function calls itself with the left node - outputs the data of the current node - checks if the right node is null. If there is a right node, the function calls itself with the right node. Write program code for OutputInOrder ()

Computer Science
IGCSE&ALevel
CAIE
Exam No:9618_s25_qp_41 Year:2025 Question No:3(d)

Answer:





Knowledge points:

19.2 Recursion

Solution:

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