binary search tree (BST
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Q: a binary search tree (BST)
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Q: Write a Java program that creates and maintains a binary search tree (BST) whose nodes are student…
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Write a Java program that creates and maintains a binary search tree (BST) whose nodes are student
records. Each student record (BST node) contains the student’s id (String), name (String) and GPA
(float). Use the student id as a key for the BST. The program starts with an empty BST and offers the
following menu options to the user repeatedly until the user selects the ‘Q’ option (quit).
A: Add a new student record to the BST.
Here the user is prompted to enter the new student’s id, name and GPA. The program should
display an error message if the student id already exists in the BST.
B: Find a student record.
Here the user is prompted to enter the id of the student to be searched. If found the program
displays the student id, name and GPA, otherwise the program displays an error message.
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- Write a JAVA program that will maintain a phone directory using a Linked-List. The program should be able to perform the following operations: 1) Add persons details (first name, last name, phone number, city, address, sex and email) to the phone directory, where phone numbers in the directory have to be unique. (Note: each person record will store in one node in the linked-list and insert each person to the last) 2) Delete any person details by a given phone number. 3) Update telephone number by providing person first name. 4) Display all details of persons from a phone directory. 5) Search telephone number based on person first name. (Note: use sequential search to find all telephones for the given first name) 6) Sort all persons in the phone directory ascending based on person first name. (Note: use bubble or selection sort to arrange the entire phone directory) Project Outputs The output has to display a menu of choices. Then the user can select which operation want to perform.…Write a JAVA program that will maintain a phone directory using a Linked-List. The program should be able to perform the following operations: Add persons details (first name, last name, phone number, city, address, sex and email) to the phone directory, where phone numbers in the directory have to be unique. (Note: each person record will store in one node in the linked-list and insert each person to the last) Delete any person details by a given phone number. Update telephone number by providing person first name. Display all details of persons from a phone directory. Search telephone number based on person first name. (Note: use sequential search to find all telephones for the given first name) Sort all persons in the phone directory ascending based on person first name. (Note: use bubble or selection sort to arrange the entire phone directory)Implement a class “LinkedList” which has two private data members head: A pointer to the Node class length: length of the linked listImplement the following private method: 1. bool InsertHead(int data); // Use InsertAt FunctionInsert at the start of the linked list. Return true2. bool InsertEnd(int data); // Use InsertAt FunctionInsert at the end of the linked list. Return true3. bool RemoveAt(int index);Remove and delete the node at position “index”. Return true if successful, otherwise, false. this in c++
- In this lab the task is to write a program that maintains a personal phone book. The program allows to: ▪ Add and Delete entries from the phone book, ▪ Search the phone book for a specific entry by last name or by phone number, and ▪ Print out the entire entries in the phone book. The data in the phone book is maintained by storing in memory with the use of a singly linked list, with one list node per entry. Each node contains members for storing a person’s family name, first name, address, and the phone number. Use strings to store this information. The linked list must be kept in increasing alphabetical order, sorted by family name. There are no duplicate entries with the same family name allowed in the phone book. This program should be menu driven, with the user being offered a choice of the following commands described below: ▪ Insert a new entry into the phone book. The program should prompt the user for a new family name and first name, an address and a phone number. This…Write a program (in main.cpp) that: Prompts the user for a filename containing node data. Outputs the minimal spanning tree for a given graph. You will need to implement the createSpanningGraph method in minimalSpanTreeType.h to create the graph and the weight matrix. Note: Files Ch20_Ex21Data.txt and Ch20_Ex4Data.txt contain node data that you may test your program with. minimalSpanTreeType.h : #ifndef H_msTree #define H_msTree #include <iostream> #include <fstream> #include <iomanip> #include <cfloat> #include "graphType.h" using namespace std; class msTreeType: public graphType { public: void createSpanningGraph(); //Function to create the graph and the weight matrix. //Postcondition: The graph using adjacency lists and // its weight matrix is created. void minimalSpanning(int sVertex); //Function to create a minimal spanning tree with //root as sVertex. // Postcondition: A minimal spanning…Write a program that maintains a personal phone book in C. The program allows to:▪ Add and Delete entries from the phone book,▪ Search the phone book for a specific entry by last name or by phone number, and▪ Print out the entire entries in the phone book.The data in the phone book is maintained by storing in memory with the use of a singly linked list, withone list node per entry. Each node contains members for storing a person’s family name, first name, address,and the phone number. Use strings to store this information. The linked list must be kept in increasingalphabetical order, sorted by family name. There are no duplicate entries with the same family nameallowed in the phone book. This program should be menu driven, with the user being offered a choice of the following commandsdescribed below:▪ Insert a new entry into the phone book.The program should prompt the user for a new family name and first name, an address and a phonenumber. This information should be placed in a new…
- Write a program that maintains a personal phone book in C. The program allows to:▪ Add and Delete entries from the phone book,▪ Search the phone book for a specific entry by last name or by phone number, and▪ Print out the entire entries in the phone book.The data in the phone book is maintained by storing in memory with the use of a singly linked list, withone list node per entry. Each node contains members for storing a person’s family name, first name, address,and the phone number. Use strings to store this information. The linked list must be kept in increasingalphabetical order, sorted by family name. There are no duplicate entries with the same family nameallowed in the phone book. This program should be menu driven, with the user being offered a choice of the following commandsdescribed below:▪ Insert a new entry into the phone book.The program should prompt the user for a new family name and first name, an address and a phonenumber. This information should be placed in a new…Please assist me in solving this: /////////////////////////////////////////////////////////////////////////////// Pro3110//// Write a program that creates a binary search tree of 8 or more // (25 max) random candy bar names from a datum list.//// Krackel// ..................../ \...........// / \// Godiva Mounds// ...../ \..... ...../ \.....// / \ / \// Almond Joy Heath Bar Milky Way Mr. Goodbar// \.....// \// Kit Kat//// Define the ancestors operation by writing the method that will // search for a target node and return the set of nodes that connect// the target node with the root. The set contains…Write a program in Java to implement a Singly linked list with two fields: String name and Integer Age. a) Then, Program ask user to enter name and age of a student, and add the node in the link list b) Store name and age of 5 students c) Then, traverse the link List to print all the nodes
- import java.util.LinkedList; public class IntTree { private Node root; private static class Node { public int key; public Node left, right; public Node(int key) { this.key = key; } } public void printInOrder() { printInOrder(root); } private void printInOrder(Node n) { if (n == null) return; printInOrder(n.left); System.out.println(n.key); printInOrder(n.right); } /* * Returns the number of nodes with odd keys. For example, the BST with level * order traversal 50 25 100 12 37 150 127 should return 3 (25, 37, and 127). */ public int sizeOdd() { // TODO throw new RuntimeException("Not implemented"); } • You are not allowed to use any kind of loop in your solutions. • You may not modify the Node class in any way• You may not modify the function headers of any of the functions already present in the file.• You may not add any fields to the IntTree…import java.util.LinkedList; public class IntTree { private Node root; private static class Node { public int key; public Node left, right; public Node(int key) { this.key = key; } } public void printInOrder() { printInOrder(root); } private void printInOrder(Node n) { if (n == null) return; printInOrder(n.left); System.out.println(n.key); printInOrder(n.right); } /* * Returns the number of nodes with odd keys. For example, the BST with level * order traversal 50 25 100 12 37 150 127 should return 3 (25, 37, and 127). */ public int sizeOdd() { return sizeOddHelper(root) { } private int sizeOddHelper(Node odd) { // TODO throw new RuntimeException("Not implemented"); }import java.util.LinkedList; public class IntTree { private Node root; private static class Node { public int key; public Node left, right; public Node(int key) { this.key = key; } } public void printInOrder() { printInOrder(root); } private void printInOrder(Node n) { if (n == null) return; printInOrder(n.left); System.out.println(n.key); printInOrder(n.right); } /* * Returns the number of nodes with odd keys. For example, the BST with level * order traversal 50 25 100 12 37 150 127 should return 3 (25, 37, and 127). */ public int sizeOdd() { // TODO throw new RuntimeException("Not implemented"); }
