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- void traverse (Node node){ if (node.left!=null){ traverse (node.left); System.out.print (node.data+" ->"); } if(node.right!=null){ System.out.print (node.data+" ->"); traverse (node.right); } } Write the output that will be obtained when this traverse() method is called with the root of the tree given below. 8 4 12 2 6 10 14 1 3 5 7) 9 )( 11 13 15class Node { public: Node() : data(0), prev(nullptr), next(nullptr) {} Node(int theData, Node* prevLink, Node* nextLink) : data(theData), prev(prevLink), next(nextLink) {} int getData() const { return data; } Node* getPrev() const { return prev; } Node* getNext() const { return next; } void setData(int theData) { data = theData; } void setPrev(Node* prevLink) { prev = prevLink; } void setNext(Node* nextLink) { next = nextLink; } ~Node(){} private: int data; Node* prev; Node* next; }; class AnyList { // friend function overloads the insertion operation public: // copy constructor // overloaded assignment operator // other member functions not necessary for your implementation private: Node *first; Node *last; int count; }; please help write copy constructor #include "AnyList.h" #include <iostream> using namespace std; // Definition of copy constructor // Instructions omitted intentionally. // Your codeint mystery(NodeInt32* node){int counter = 0; while (node != NULL) {counter++;node = node->next; } return counter;}
- using namespace std; class SinglyLinkedListNode { // INSERT YOUR CODE HERE }; class SinglyLinkedList { public: SinglyLinkedListNode *head; SinglyLinkedListNode *tail; SinglyLinkedList() { this->head = nullptr; this->tail = nullptr; } voidinsert_node(intnode_data) { // INSERT YOUR CODE HERE } }; void free_singly_linked_list(SinglyLinkedListNode* node) { // INSERT YOUR CODE HERE } // Complete the has_cycle function below. /* * For your reference: * * SinglyLinkedListNode { * int data; * SinglyLinkedListNode* next; * }; * */ bool has_cycle(SinglyLinkedListNode* head) { SinglyLinkedListNode* temp = head; bool isCycle = false; while (temp != nullptr) { // INSERT YOUR CODE HERE } } int main() { // INSERT YOUR CODE HERE TO TEST YOUR CODE return0; }Computer Science QuestionConsider the adjacency list (list of neighbors) data structure for representing a graph. struct node{int data; node * next;};class Graph { …………private:node neighborList[30];int last;};Write a method to print the neighbors of a given node n, void Graph::print(int n){??????}class LinkedList { Node head; Node tail; Node findNodeWithData(int data); void addDataAfterNode(int data, Node noderef); } class Node {private int data; private Node next;public void setNextNode(data); public Node getNextNode(); }2. What JUnit test cases will you create for the LinkedList class: a. void findNodeWithData(int data); b. addDataAfterNode();3. Write your JUnit test case for testing the two methods above
- class Node{int data;Node next;public Node (int d) {this(d,null);} public Node (int d,Node n) {data=d;next=n;}}public class List {private Node head; public List() {head=null;}public void addBegenning(int d) {Node n= new Node(d);if (head==null) {head=n;}else {n.next=head;head=n;}}public void addEnd(int d) {if (head==null) {head=new Node(d);}else {Node tmp=head;while(tmp.next!=null)tmp=tmp.next;tmp.next=new Node(d);} }public String toString() {Node tmp=head;String ans="";while(tmp!=null) {ans+=tmp.data+"-->";tmp=tmp.next;}return ans;}public void deleteBegging() {if (head!=null) {head=head.next;}}public void deleteEnd() {Node tmp=head;Node prev= null;while(tmp.next!=null) {prev=tmp;tmp=tmp.next;}prev.next=null;} public boolean contains(int d) {Node tmp=head;while (tmp!=null) {if (tmp.data==d)return true;tmp=tmp.next;}return false; }public void Remove(int d) {//if the d not exsist Node tmp=head;Node prev= null;while (tmp.data!=d) {// tmp!=null…Write a code that will print the deleted number class LinkedList { static Node head; static class Node { int data; Node next; Node(int d) { data = d; next = null; } } void duplicateremove() { Node ptr1 = null, ptr2 = null, dup = null; ptr1 = head; while (ptr1 != null && ptr1.next != null) { ptr2 = ptr1; while (ptr2.next != null) { if (ptr1.data == ptr2.next.data) { ptr2.next = ptr2.next.next; System.gc(); } else { ptr2 = ptr2.next; } } ptr1 = ptr1.next; } } void printList(Node node) { while (node != null) { System.out.print(node.data + " "); node = node.next; } } public static void main(String[] args) { LinkedList list = new LinkedList();…Question 3 public E unknown() { Node pt1,pt2; if (head != null) { pt1=head; pt2= getNode(size-1); if (pt1.data.equals(pt2.data)) return getNode(size/2).data; else return pt1.data; } A It returns half of the data of the last node in the list or the data of the first node B It returns half of the data of the last node in the list or the data of the last node in the list C It returns the data of the middle node in the list or the data of the first node It returns the data of the middle node in the list or the data of the last node in the list
- 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 methodint searchKey = 12;Node result = bst.search(searchKey, bst.root);if (result != null)System.out.println("Node with key " + searchKey + " found. Name: " + result.name);elseSystem.out.println("Node with key " + searchKey + " not found.");// Testing delete methodint deleteKey = 20;bst.root = bst.delete(deleteKey, bst.root);System.out.println("Deleted node with key " + deleteKey);// Testing search after deletionresult = bst.search(deleteKey, bst.root);if (result != null)System.out.println("Node with key " + deleteKey + " found. Name: " + result.name);elseSystem.out.println("Node with key " + deleteKey + " not found.");}}use this input below:// id, name41, notes11, personal61, work30, shopping5, recipes55, proposal70, thesis10, muffins43, draftAssume the following method is within the SingleLinkedList class. What does it do? public void unknownMethod() { Node pt = tail; E temp; while (pt != null && pt.prev != null) { temp = pt.data; pt.data = pt.prev.data; pt.prev.data= temp; pt = pt.prev; } A) Exchanges the data of the first node with the data of the last node. Makes the data of the last node to move to become the data of the first node. Exchanges the data of the last two nodes. D Makes the data of the second node to move to be the data of the last node.package psa.naloga1;public class Binarno {private NodeBinarno root;public boolean insert(int element){if(search(element)){return false;}root=insertNode(root,element);return true;}private NodeBinarno insertNode(NodeBinarno node,int element){if(node==null){NodeBinarno insertedNode=new NodeBinarno(element);return insertedNode;}if(element<node.getKey()){node.setLeftChild(insertNode(node.getLeftChild(),element));}else if(element>node.getKey()){node.setRightChild(insertNode(node.getRightChild(),element));}return node;}private NodeBinarno deleteNode(NodeBinarno node,int element){if (node==null){return node;}if(element<node.getKey()){node.setLeftChild(deleteNode(node.getLeftChild(), element));} else if (element > node.getKey()) {node.setRightChild(deleteNode(node.getRightChild(),element));}else{if(node.getLeftChild()==null){return node.getRightChild();}else if(node.getRightChild()==null){return…
