A client can add instances of DirectedEdge class to a List, provided that class Edge extends DirectedEdge. Group of answer choices True False
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that class Edge extends DirectedEdge.
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- Using a doubly linked list class and node class, implement the following methods: Node* lastNode(void); void pushBack(string argData); void popBack(void); void pushFront(string argData); void print(void); void printReverse(void); void insertAfter(Node* argPtr); void deallocateAll(void); Node* searchFor(string argData); int size(void); Hard code a linked list (no UI) in the main to demonstrate your functions. Print forward and backward to show that the links are well-formed.In java, how do I implement the following methods into a linkedlist class. 1) removeLast() – remove the last number of the list 2) removeLeast()- remove least number in the list 3) removeMax()- remove largest number in the list 4) removeFirst() – remove the first number of the list 5) addNum()- add another number to the listImplement class “LinkedList” which has two private data members head: A pointer to the Node class length: length of the linked list // Node* GetNode(int index) const;A private function which is only accessible to the class methods. This function takes an array-like index and returns the address of the node at that index. For example, index 0 corresponds to the head and index length-1 corresponds to end node of the linked list. The function returns NULL if the index is out of bound.// Implement the following public method: 1. bool RemoveHead();// Use RemoveAt FunctionRemove first node. Return true if successful, otherwise, false.2. bool RemoveEnd();// Use RemoveAt FunctionRemove last node. Return true if successful, otherwise, false.3 . void DisplayList() const;Display data of the whole linked list this in c++.
- Implement 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. Node* GetNode(int index) const;A private function which is only accessible to the class methods. . For example, index 0 corresponds to the head and index length-1 corresponds to end node of the linked list. The function returns NULL if the index is out of bound.Implement the following public methods:2. LinkedList();Constructor that sets head to NULL and length equal to zero.3. bool InsertAt(int data, int index);Insert a new node at the index. Return true if successful, otherwise,return false. The new node should be at the position “index” in the linked list after inserting it. You might have to use GetNode private function. these 3 partsImplement 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++Given main() in the Inventory class, define an insertAtFront() method in the InventoryNode class that inserts items at the front of a linked list (after the dummy head node). Ex. If the input is: 4 plates 100 spoons 200 cups 150 forks 200 the output is: 200 forks 150 cups 200 spoons 100 plates public class InventoryNode { private String item; private int numberOfItems; private InventoryNode nextNodeRef; // Reference to the next node public InventoryNode() { item = ""; numberOfItems = 0; nextNodeRef = null; } // Constructor public InventoryNode(String itemInit, int numberOfItemsInit) { this.item = itemInit; this.numberOfItems = numberOfItemsInit; this.nextNodeRef = null; } // Constructor public InventoryNode(String itemInit, int…
- Java Given main() in the Inventory class, define an insertAtFront() method in the InventoryNode class that inserts items at the front of a linked list (after the dummy head node).In the following code, it errors at / Return the maximum subarray among the left, right, and cross subarrays if (left.getLast() >= right.getLast() && left.getLast() >= cross.getLast()) { returnleft; } else if (right.getLast() >= left.getLast() && right.getLast() >= cross.getLast()) { returnright; } else { returncross; } Code: publicstatic Triple<Node,Node,Integer> getMaxSubList(LinkedListlist) { // If the list is null or empty, return a Triple with all values set to 0 if (list == null || list.isEmpty()) { returnnew Triple(0, 0, 0); } // Call the private helper method to find the maximum subarray returnfindMaxSubList(list, 0, list.size() - 1); } // This is a recursive helper method that divides the list into smaller subarrays // and finds the maximum subarray of each subarray. It then combines these maximum subarrays // to find the maximum subarray of the entire list. privatestaticTriple findMaxSubList(LinkedListlist, intlow, inthigh) { //…Java Only Do Method, I will give LinkedList Implementation Write a method checkForEquality to be included in class KWLinkedList that does not have any parameter. Assume the list is having even number of nodes. The method returns true if the first half of the list is equal to the second half of the list in the reverse order, otherwise it returns false. If the list is empty, the method returns false; import java.util.NoSuchElementException;/** Implementation of the interface StackInt using a linked list. The* top element of the stack is in the first (front) node of the linked list.*/public class LinkedStack<E> implements StackInt<E>{ /** Node: inner class to create nodes for linked list based stack. */private static class Node<E>{// Data Fieldsprivate E data;private Node<E> next; // The reference to the next node. // Constructors/*** Creates a new node with a null next field.* @param dataItem The data to be stored in the node*/private Node(E dataItem){data =…
- I need to add an item to a linked list using a method. its an object consisting of a name, int, double, double, int. public static Person addPerson (Person head, Person toAdd, int position) { }C++ Design a HashMap without using any built-in hash table libraries. Implement the MyHashMap class: MyHashMap() initializes the object with an empty map. void put(int key, int value) inserts a (key, value) pair into the HashMap. If the key already exists in the map, update the corresponding value. int get(int key) returns the value to which the specified key is mapped, or -1 if this map contains no mapping for the key. void remove(key) removes the key and its corresponding value if the map contains the mapping for the key. Example 1: Input ["MyHashMap", "put", "put", "get", "get", "put", "get", "remove", "get"] [[], [1, 1], [2, 2], [1], [3], [2, 1], [2], [2], [2]] Output [null, null, null, 1, -1, null, 1, null, -1]The following method is defined within a linked list class. What does it do? void MyList::doSomething() { Node* p = head; while (p) { cout << p->value << " "; p = p->next; }} Group of answer choices inserts a node into linked list deletes a node from linked list displays contents of linked list destroys the entire linked list