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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- 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,…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.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 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 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;…
- package 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;}…If you have a generic class : public class Search<A, B> how can you find all the occurences of B in the searchUsing 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.
- Please 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() }Given 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 listclass 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() { // destructor