Problem Description: QI) Write a method public static void downsize (LinkedList employeeNames, int n) that removes every nth employee from a linked list. Q2) Write a method public static void reverse (LinkedList strings) that reverses the entries in a linked list.
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- C++ Question You need to write a class called LinkedList that implements the following List operations: public void add(int index, Object item); // adds an item to the list at the given index, that index may be at start, end or after or before the // specific element 2.public void remove(int index); // removes the item from the list that has the given index 3.public void remove(Object item); // finds the item from list and removes that item from the list 4.public List duplicate(); // creates a duplicate of the list // postcondition: returns a copy of the linked list 5.public List duplicateReversed(); // creates a duplicate of the list with the nodes in reverse order // postcondition: returns a copy of the linked list with the nodes in 6.public List ReverseDisplay(); //print list in reverse order 7.public Delete_Smallest(); // Delete smallest element from linked list 8.public List Delete_duplicate(); // Delete duplicate elements from a given linked list.Retain the…6. Suppose that we have defined a singly linked list class that contains a list of unique integers in ascending order. Create a method that merges the integers into a new list. Note the additional requirements listed below. Notes: ● . Neither this list nor other list should change. The input lists will contain id's in sorted order. However, they may contain duplicate values. For example, other list might contain id's . You should not create duplicate id's in the list. Important: this list may contain duplicate id's, and other list may also contain duplicate id's. You must ensure that the resulting list does not contain duplicates, even if the input lists do contain duplicates.Problem Description: Q1) Write a method public static void downsize (LinkedList employeeNames, int n) that removes every nth employee from a linked list. Q2) Write a method public static void reverse (LinkedList strings) that reverses the entries in a linked list.
- C++ ProgrammingActivity: Deque Linked List Explain the flow of the code not necessarily every line, as long as you explain what the important parts of the code do. The code is already correct, just explain the flow. #include "deque.h" #include "linkedlist.h" #include <iostream> using namespace std; class DLLDeque : public Deque { DoublyLinkedList* list; public: DLLDeque() { list = new DoublyLinkedList(); } void addFirst(int e) { list->addAt(e,1); } void addLast(int e) { list->addAt(e,size()+1); } int removeFirst() { return list->removeAt(1); } int removeLast() { return list->removeAt(size()); } int size(){ return list->size(); } bool isEmpty() { return list->isEmpty(); } // OPTIONAL: a helper method to help you debug void print() {…C++ ProgrammingActivity: Queue Linked List Explain the flow of the code not necessarily every line, as long as you explain what the important parts of the code do. The code is already correct, just explain the flow. #include "queue.h" #include "linkedlist.h" class SLLQueue : public Queue { LinkedList* list; public: SLLQueue() { list = new LinkedList(); } void enqueue(int e) { list->addTail(e); return; } int dequeue() { int elem; elem = list->removeHead(); return elem; } int first() { int elem; elem = list->get(1); return elem;; } int size() { return list->size(); } bool isEmpty() { return list->isEmpty(); } int collect(int max) { int sum = 0; while(first() != 0) { if(sum + first() <= max) { sum += first(); dequeue(); } else {…Question 2: Linked List Implementation You are going to create and implement a new Linked List class. The Java Class name is "StringLinkedList". The Linked List class only stores 'string' data type. You should not change the name of your Java Class. Your program has to implement the following methods for the StringLinked List Class: 1. push(String e) - adds a string to the beginning of the list (discussed in class) 2. printList() prints the linked list starting from the head (discussed in class) 3. deleteAfter(String e) - deletes the string present after the given string input 'e'. 4. updateToLower() - changes the stored string values in the list to lowercase. 5. concatStr(int p1, int p2) - Retrieves the two strings at given node positions p1 and p2. The retrieved strings are joined as a single string. This new string is then pushed to the list using push() method.
- Reference-based Linked Lists: Select all of the following statements that are true. As a singly linked list's node references both its predecessor and its successor, it is easily possible to traverse such a list in both directions. According to the terminology introduced in class, the head reference variable in a singly linked list object references the list's first node. According to the terminology introduced in class, in a doubly linked list, each node references both the head and tail node. In a double-ended singly linked list, the tail reference variable provides access to the entire list. In a circular linked list, the last node references the first node.C++ ProgrammingActivity: Queue Linked List Explain the flow of the code not necessarily every line, as long as you explain what the important parts of the code do. The code is already correct, just explain the flow. SEE ATTACHED PHOTO FOR THE PROBLEM #include "queue.h" #include "linkedlist.h" class SLLQueue : public Queue { LinkedList* list; public: SLLQueue() { list = new LinkedList(); } void enqueue(int e) { list->addTail(e); return; } int dequeue() { int elem; elem = list->removeHead(); return elem; } int first() { int elem; elem = list->get(1); return elem;; } int size() { return list->size(); } bool isEmpty() { return list->isEmpty(); } int collect(int max) { int sum = 0; while(first() != 0) { if(sum + first() <= max) { sum += first();…Computer Science //iterator() creates a new Iterator over this list. It will//initially be referring to the first value in the list, unless the//list is empty, in which case it will be considered both "past start"//and "past end". template <typename ValueType>typename DoublyLinkedList<ValueType>::Iterator DoublyLinkedList<ValueType>::iterator(){//return iterator(head);} //constIterator() creates a new ConstIterator over this list. It will//initially be referring to the first value in the list, unless the//list is empty, in which case it will be considered both "past start"//and "past end". template <typename ValueType>typename DoublyLinkedList<ValueType>::ConstIterator DoublyLinkedList<ValueType>::constIterator() const{//return constIterator(head);} //Initializes a newly-constructed IteratorBase to operate on//the given list. It will initially be referring to the first//value in the list, unless the list is empty, in which case//it will be…
- @6 The Reference-based Linked Lists: Select all of the following statements that are true. options: As a singly linked list's node references both its predecessor and its successor, it is easily possible to traverse such a list in both directions. According to the terminology introduced in class, the head reference variable in a singly linked list object references the list's first node. According to the terminology introduced in class, in a doubly linked list, each node references both the head and tail node. In a double-ended singly linked list, the tail reference variable provides access to the entire list. In a circular linked list, the last node references the first node.Lab 3 Directions (linked lists) Program #1 1. Show PolynomialADT interface 2. Create the PolyNodeClass with the following methods: default constructor, overloaded constructor, copy constructor, setCoefficient, setExponent, setNext, getCoefficient, get Exponent, getNext 3. Create the PolynomialDataStrucClass with the following methods: default constructor, overloaded constructor, copy constructor, isEmpty, setFirstNode, getFirstNode, addPolyNodeFirst (PolyNode is created and set to beginning of polynomial), addPolyNodeLast, addPolyNode (PolyNode is set to the end of polynomial), addPolynomials, toString 4. Create the Polynomial DemoClass: instantiate and initialize Polynomial DataStrucClass objects p1, p2, p3, p4 1 - Add terms to the polynomials (pass 2 arguments to the method: coefficient and exponent- for example: p1.addPolyNodeLast(4, 3);) Print out p1, p2 and sum of the polynomials AND p3, p4, and sum of the polynomials Use: p1= 4x^3 + 3x^2 - 5; p2 = 3x^5 + 4x^4 + x^3 - 4x^2 + 4x^1…Grocery shopping list (linked list: inserting at the end of a list) Given main() in the ShoppingList class, define an insertAtEnd() method in the ItemNode class that adds an element to the end of a linked list. DO NOT print the dummy head node. Ex. if the input is: 4 Kale Lettuce Carrots Peanuts where 4 is the number of items to be inserted; Kale, Lettuce, Carrots, Peanuts are the names of the items to be added at the end of the list. The output is: Kale Lettuce Carrots Peanuts