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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- Implement a LinkedList class that stores integers using dynamic memory and a proper main program to test it. The following member functions need to be properly implemented and tested: 1. Default constructor. 2. Parmetrized Constructor. 3. Sum. 4. Average. 5. InsertAtHead. 6. InsertAtTail. 7. Delete. 8. Pop. 9. Circular. 10. Display. Sample answer is also provided.package Linked_List; public class RefUnsortedList<T> implements ListInterface<T>{protected int numElements; // number of elements in this listprotected LLNode<T> currentPos; // current position for iteration// set by find methodprotected boolean found; // true if element found, else falseprotected LLNode<T> location; // node containing element, if foundprotected LLNode<T> previous; // node preceeding locationprotected LLNode<T> list; // first node on the listpublic RefUnsortedList(){numElements = 0;list = null;currentPos = null;}public void add(T element)// Adds element to this list.{LLNode<T> newNode = new LLNode<T>(element);newNode.setLink(list);list = newNode;numElements++;}protected void find(T target)// Searches list for an occurence of an element e such that// e.equals(target). If successful, sets instance variables// found to true, location to node containing e, and previous// to the node that links to location. If not successful,…package Linked_List; public class RefUnsortedList<T> implements ListInterface<T> {protected int numElements; // number of elements in this listprotected LLNode<T> currentPos; // current position for iteration// set by find methodprotected boolean found; // true if element found, else falseprotected LLNode<T> location; // node containing element, if foundprotected LLNode<T> previous; // node preceeding locationprotected LLNode<T> list; // first node on the listpublic RefUnsortedList(){numElements = 0;list = null;currentPos = null;}public void add(T element)// Adds element to this list.{LLNode<T> newNode = new LLNode<T>(element);newNode.setLink(list);list = newNode;numElements++;}protected void find(T target)// Searches list for an occurence of an element e such that// e.equals(target). If successful, sets instance variables// found to true, location to node containing e, and previous// to the node that links to location. If not successful,…
- Given the interface of the Linked-List struct Node{ int data; Node* next = nullptr; }; class LinkedList{ private: Node* head; Node* tail; public: display_at(int pos) const; ... }; Write a definition for a method display_at. The method takes as a parameter integer that indicates the node's position which data you need to display. Example: list: 5 -> 8 -> 3 -> 10 display_at(1); // will display 5 display_at(4); // will display 10 void LinkedList::display_at(int pos) const{ // your code will go here }package circularlinkedlist;import java.util.Iterator; public class CircularLinkedList<E> implements Iterable<E> { // Your variablesNode<E> head;Node<E> tail;int size; // BE SURE TO KEEP TRACK OF THE SIZE // implement this constructorpublic CircularLinkedList() {} // I highly recommend using this helper method// Return Node<E> found at the specified index// be sure to handle out of bounds casesprivate Node<E> getNode(int index ) { return null;} // attach a node to the end of the listpublic boolean add(E item) {this.add(size,item);return false; } // Cases to handle// out of bounds// adding to empty list// adding to front// adding to "end"// adding anywhere else// REMEMBER TO INCREMENT THE SIZEpublic void add(int index, E item){ } // remove must handle the following cases// out of bounds// removing the only thing in the list// removing the first thing in the list (need to adjust the last thing in the list to point to the beginning)// removing the last…Given the IntNode class, define the getCount() method in the CustomLinkedList class that returns the number of items in the list not including the head node. Ex: If the list contains: head -> 14 -> 19 -> 4 getCount(headObj) returns 3. Ex: If the list contains: head -> getCount(headObj) returns 0. public class IntNode { private int dataVal; // Node data private IntNode nextNodePtr; // Reference to the next node // Default constructor public IntNode() { dataVal = 0; nextNodePtr = null; } // Constructor public IntNode(int dataInit) { this.dataVal = dataInit; this.nextNodePtr = null; } // Constructor public IntNode(int dataInit, IntNode nextLoc) { this.dataVal = dataInit; this.nextNodePtr = nextLoc; } /* Insert node after this node. Before: this -- next After: this -- node -- next */ public void insertAfter(IntNode nodeLoc) { IntNode tmpNext; tmpNext = this.nextNodePtr;…
- If you have a generic class : public class Search<A, B> how can you find all the occurences of B in the searchGiven the tollowiıng class template detinition: template class linkedListType { public: const linked ListType& operator=(const linked ListType&); I/Overload the assignment operator. void initializeList(); /Initialize the list to an empty state. //Postcondition: first = nullptr, last = nullptr, count = 0; linked ListType(); Ildefault constructor //Initializes the list to an empty state. /Postcondition: first = nullptr, last = nullptr, count = 0; -linkedListīype(); Ildestructor /Deletes all the nodes from the list. //Postcondition: The list object is destroyed. protected: int count; //variable to store the number of elements in the list nodeType *first; //pointer to the first node of the list nodeType *last; //pointer to the last node of the list 1) Write initializeList() 2) Write linkedListType() 3) Write operator=0 4) Add the following function along with its definition: void rotate(); I/ Remove the first node of a linked list and put it at the end of the linked listpackage DataStructures; import ADTs.StackADT;import Exceptions.EmptyCollectionException; /**** @author Qiong*/public class LinkedStack<T> implements StackADT<T> { int count;SinglyLinkedNode<T> top;public LinkedStack(){top = null;count = 0;}public LinkedStack(T data){top = new SinglyLinkedNode(data);count = 1;}@Overridepublic void push(T element) {// TODO implete the push method// The push method will insert a node with holds the given input into the top of the stack } @Overridepublic T pop() throws EmptyCollectionException {if (this.isEmpty()) throw new EmptyCollectionException();SinglyLinkedNode<T> node = top;top = top.getNext();count--;node.setNext(null);return node.getElement();} @Overridepublic T peek() throws EmptyCollectionException {//TODO: Implement this method//This should look like pop, except we aren�t changing the stack at all. Just returning the element. } @Overridepublic boolean isEmpty() {if (count == 0) {return true;}return false;}…
- class LinkedList; A7 A template class ListNode { friend class LinkedList; private: I val; ListNode *next; public: ListNode () : next(nullptr) {} ListNode(T val) : val(val), next(nullptr) {} }; template class LinkedList : public List { private: ListNode *head; // this implementation has a dummy head (sentry head node) size_t num_of_element; public: LinkedList () { head = new ListNode); num_of_element = 0; LinkedList(size_t capacity) : LinkedList() {} // to make test consistent // copy constructor • LinkedList (const LinkedList &other_list) : LinkedList() { // destructorPlease fill in all the code gaps if possible: (java) public class LinkedList { privateLinkedListNode head; **Creates a new instance of LinkedList** public LinkedList () { } public LinkedListNode getHead() public void setHead (LinkedListNode head) **Add item at the front of the linked list** public void insertFront (Object item) **Remove item at the front of linked list and return the object variable** public Object removeFront() }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.