JAVA PROGRAMMING Assume you are trying to implement a stack, and have already implemented a singly- linked list with just a head reference. When implementing the stack using a linked list, you realize you don't need to write very much code at all, because you can just call the linked list methods you have already completed. Match the linked list method you would call in the implementation of each stack operation. 1. addFront 2. addBack isEmpty 3. removeFront push 4. removeBack top 5. getAtlndex 6. contains dod 7. size 8. toString
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- Implement a simple stack in java using the scenario below. A company wishes to keep track of the order in which it employed staff. Users can enter either "f" to fire, "h" to hire or "e" to end the program. When a member of staff is employed, their employee number is added to the top of a stack when someone has to be made redundant, the last person to join the company is removed from the top of the stack. Hint: Use ArrayListUse stacks from the STL to implement a video game library functionality. In this implementation, consider a VideoGame class with title, release year, genre and publisher as variables. Provide setters and getters to these variables. In main, create a stack of video games. Add 5 different game objects into the stack. Then in a loop, for each item that you retrieve from the stack display the game information as follows: TITLEYEARGENREPUBLISHERPython number 1. is already done it is on the image, looking for help or insight for 2, 3, and 4. 1. From page 146, #22: Implement a stack using linked lists.2. From page 146, #23: Implement a queue using linked lists.3. From page 146, #24: Implement a deque using linked lists.4. From page 147, #25: Design and implement an experiment that will compare the performance of a Python list with a list implmentd as a linked list
- Implementing a Double Linked List with a Single PointerThe Problem: How can you implement a doubly linked list using only a single pointer for each link?using c++ concepts of data structure Make a doubly linked list, take n inputs. Print it.Now, swap any two nodes (picked by the user), and print the list again. The node will be pickedon the basis of their value.Note: You have to swap the Node, by managing the links between them. NOT JUST THEVALUE INSDE THEM.You are working for GreatDataStructures Inc. You have to pick a data structure for a problem that requires accessing all the stored elements quickly as well as adding elements to and removing elements from the end of the list of elements. The number of elements in the list is not known. The best data structure to choose is a linked list with no tail reference a linked list with a tail reference a doubly-linked list an array list O an array stack
- A stack is a collection of objects that are inserted and removed using Last in First out Principle (LIFO). User can insert elements into the stack, and can only access or remove the recently inserted object on top of the stack .In this following project, you will implement stack using doubly linked list(deque) as it was explained in the previous lectures.The following Project should have these classes:1. Class Book: The main Node for the deque stack where it should have the following attributes besides (next, prev nodes):a. Book Idb. Book Namec. Book Author2. Class BookLists: Where all the main operations are done.Note: you can add more classes if you want but must include the main ones.You need to apply these following operations: 1. AddBook() [push()] : The method Inserts the book object into deque Stack (form the last).2. RemoveBook() [pop()] : This method extracts an object from the last of the Deque stack and it removes it. If such object does not exist, the method returns…In which scenarios would you prefer to use an array over a linked list, and vice versa?Write a program in Java to implement a Singly linked list with two fields: String name and Integer Age. a) Then, Program ask user to enter name and age of a student, and add the node in the link list b) Store name and age of 5 students c) Then, traverse the link List to print all the nodes
- Write a method that uses two data structures, a stack and a queue, to split numbers The numbers must be split into even and odd numbers. If the number is odd and divisible by 3, it is added into the queue; otherwise the top element, if any, of the stack is removed and the square of the number is added onto the stack.choose the correct answer (data structure in java) 12. Data Structures which are used to store large and connected data. A. Primitive B. integer C. complex D. both A and B 13. In the linked list implementation of the stack class, where does the push method place the new item on the linked list? A. At the head B. At the tail C. After all other nodes that is smaller than the new node. D. None of the above 14. In circle linked lists there are no null links? A. Yes B. No 15. -------- mean all components in the structure are of the same data type. A. Homogeneous B. Finite C. Contiguously D. Linear 16. A linked list is a random access data structure such as an array. A. Yes B. No 17. The method -------- returns specified char value index. A.indexOf() B. tirm() C. to Lowercase() DvalueOf() 18. In a stack data structure, the programming implementation can add and delete items from one end. A. Yes B. No 19. Static memory allocation is the ability for a program to obtain more memory space at…A singly linked circular list is a linked list where the last node in the list points to the first node in the list. A circular list does not contain NULL pointers. A good example of an application where a circular linked list should be used is an item in the shopping cart In an online shopping cart, the system must maintain a list of items and must calculate the total bill by adding the amount of all the items in the cart, Implement the above scenario using a Circular Link List of data structure in C++ Programming. Do Following: First create a class Item having id, name, price, and quantity provide appropriate methods and then Create Cart/List class which holds an items object to represent total items in the cart and next pointer Implement the method to add items in the array, remove an item and display all items. Now in the main do the following Insert Items in the list Display all items. Traverse the link list so that each item's bill gets calculated (by multiplying quantity with…