Implement a fill method in AList class to fill all the elements in the list with a given value it. For example, let L=[1,2,3]. A call to L.fill (0) will make L=[0,0,0]- Below is a skeleton of the AList class template class AList { private: /** The underlying array. */ ItemType *items; /** Stores the current size of the list. */ int count; /** Max number of items allowed. */ int maxCnt; public: // Other functions omitted... void fill (const ItemType &it) ; };
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- Java: Write a method/programme that will take a generic linked list and make a palindrome of the list. In a seperate test programme the user can add any elements to the generic list and then this list must be made a palindrome. The output should be the original list with the palindrome list added to this list.Implement unique method that takes an ArrayList as input and returns an ArrayList withexactly a single occurrence of each element from the input list. For example, if the input listcontains 5, 6, 7, 6, 3, 5, 5, 4 then the output list should have 5, 6, 7, 3, 4.Note: (1) You may assume that the ArrayList has a specific type of elements in it. In the class, we assumedit to have String type values. (2) You may only work with ArrayList(s).Implement a nested class DoubleNode for creating doubly-linked lists, with each node containing a reference to the item before and following it in the list (empty if no such item exists). Then, for the following jobs, implement static methods: insert at the beginning, insert at the end, remove from the beginning, remove from the end, insert before a given node, insert after a given node, and remove a given node.
- Build doubly-linked lists using a nested class called DoubleNode, where each node includes a reference to the item before it and the item after it in the list (null if there is no such item). Then put in place static methods for inserting at the start, inserting at the end, removing from the start, removing from the finish, inserting before a given node, inserting after a given node, and removing a given node.Implements clone which duplicates a list. Pay attention, because if there are sublists, they must be duplicated as well. Understand the implementation of the following function, which recursively displays the ids of each node in a list def show_ids(M, level=0): k = M.first_node while k is not None: print(" "*2*level, id(k)) if (str(k.value.__class__.__name__) == str(M.__class__.__name__)): show_ids(k.value, level+1) k = k.next W=L2(Node(10, Node(L2(Node(14, Node(15, Node(L2(Node(16, Node(17))))))), Node(20, Node(30)))) )show_ids(W) Develop your solution as follows: - First copy the nodes of the current list (self) - Create a new list with the copied nodes - Loop through the nodes of the new list checking the value field - If this field is also a list (use isinstance as in the show_ids function) then it calls clone on that list and substitutes the value. Complete the code: def L4(*args,**kwargs): class L4_class(L):…Write a method replace to be included in the class KWLinkedList (for doubly linked list) that accepts two parameters, searchItem and repItem of type E. The method searches for searchItem in the doubly linked list, if found then replace it with repItem and return true. If the searchItem is not found in the doubly linked list, then insert repItem at the end of the linked list and return false. Assume that the list is not empty. You can use ListIterator and its methods to search the searchItem in the list and replace it with repItem if found. Do not call any method of class KWLinkedList to add a new node at the end of the list. Method Heading: public boolean replace(E searchItem, E repItem) Example: searchItem: 15 repItem: 17 List (before method call): 9 10 15 20 4 5 6 List (after method call) : 9 10 17 20 4 5 6
- Use Java. (a) Write a generic method to count the number of elements in a collection that have a specific property (for example, odd integers, prime numbers, palindromes). (b) Write a generic method to exchange the positions of two different elements in an array. (c) Write a generic method to find the maximal element in the range [begin, end) of a list.Implement 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++Implement a method to remove a node in the middle of a singly linked list (i.e., any node except the first and last node, not necessarily the exact middle), given only access to that node.EXAMPLElnput:the node c from the linked list a->b->c->d->e->fResult: nothing is returned, but the new linked list looks like a ->b->d->e->f
- Implement bucket sort with an array of lists data structure to sort i) a list ofstrings, ii) a list of floating point numbers and iii) a list of integers, which areuniformly distributed over a range, for an appropriate choice of the number of buckets.need detailed solution with code otherwise you will get downvoteImplement a method to remove a node from the centre of a singly linked list—that is, any node other than the first and last nodes, not necessarily in that precise order.EXAMPLElnput:the node c from the linked list a->b->c->d->e->fResult: nothing is returned, but the new linked list looks like a ->b->d->e->fImplement a lastIndex method for the LinkedIntList class you worked on for HW4. This method takes an int argument and returns the largest index such that the int argument appears at that index in the list. If the int argument does not appear in the list, then -1 is returned. For example if the list example contained the numbers [4, -1, 2, 7, -1, 3] in that order, then example.lastIndex(-1) should return 4 and example.lastIndex(5) should return -1. In the text area below, write the definition of the lastIndex method. (In other words, write the code that should replace the //TODO comment.) Your code cannot call any methods. public class LinkedIntList { private class Node { private int item; private Node next; public Node() {} public Node(int number, Node nextNode) { item = number; next = nextNode; } } private Node first; // first node of the list public LinkedIntList() { first = null;…