Answered: public class Main {public static void…

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

public class Main {
public static void main(String[] args) {
BinarySearchTree bst = new BinarySearchTree();
int[] keys = {15, 10, 20, 8, 12, 17, 25};
bst.buildBST(keys);

// Testing search method
int searchKey = 12;
Node result = bst.search(searchKey, bst.root);
if (result != null)
System.out.println("Node with key " + searchKey + " found. Name: " + result.name);
else
System.out.println("Node with key " + searchKey + " not found.");

// Testing delete method
int deleteKey = 20;
bst.root = bst.delete(deleteKey, bst.root);
System.out.println("Deleted node with key " + deleteKey);

// Testing search after deletion
result = bst.search(deleteKey, bst.root);
if (result != null)
System.out.println("Node with key " + deleteKey + " found. Name: " + result.name);
else
System.out.println("Node with key " + deleteKey + " not found.");
}
}

use this input below:
// id, name
41, notes
11, personal
61, work
30, shopping
5, recipes
55, proposal
70, thesis
10, muffins
43, draft

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