Consider the doubly linked list below to answer the following: A) Write Java statements to delete the node with info 30 using the reference variable last. B) Write a single Java statement to change the value of the node containing 4 to be 14 using a reference variable first. C) Write Java statements to create a new node called newNode with a value of 70 in its info, and then add it to the last of the List. D) Write Java statements to print out the doubly linked list from the occurrence of info 32 to the end of the list in reverse order. first last, 17 32 19 30 1
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- Write Java Program Mr. Patrick is fond of reading books he is looking for a computerized way to keep record of his book collection, you have been given the responsibility to meet up his following requirements. (Use appropriate data structure to accomplish your task), develop following methods: 1. Add(): adds a new book to the list ( A book contains name of the book, author name) NOTE: every new book will have access to its neighboring books (previous and next) 2. Remove():in case any book is removed from the pile update your list 3. countBooks(): displays the total number of books 4. search(): returns true if the given book is present in the list else returns false 5. display(): shows the book collectionAssume you are writing code to maintain a linked list. You are to use a variable named head to always point to the first node in the list and the variable named tail to always point to the last node in the list. Write the Java statements required to accomplish each of the following actions given the Node definition above. For the following questions, provide both the lines of code to accomplish the required task (given the restrictions above), and a diagram showing the state of the linked list after all your lines of code (in each question) have been executed. (a) Create a linked list with just a single node that has the value 5 in it. (b) Create and append a node with the value 10 to the end of the list in la above. (c) Using a loop construct of your choice, provide the lines of code required to add nodes with the values 15, 20, 25, 30, 35 and 40 in that order to the end of the list in 1b above. (d) Add a node with the value 12 to the list in 1c in its proper position assuming the…Write a program in C that performs the following tasks: Store the information about books in the library using a linked list structure. Each book should have the following information: book name, author name, ISBN, and publication year. Allow the user to add a new book to the linked list. Allow the user to delete a book from the linked list based on ISBN. Allow the user to search for a book in the linked list based on book name, author name, ISBN or publication year. Display the list of all books in the library. Note: The program should use the linked list implementation for storing the books and should not use any built-in library functions for linked lists.
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- C++ A robot is initially located at position (0; 0) in a grid [?5; 5] [?5; 5]. The robot can move randomly in any of the directions: up, down, left, right. The robot can only move one step at a time. For each move, print the direction of the move and the current position of the robot. If the robot makes a circle, which means it moves back to the original place, print "Back to the origin!" to the console and stop the program. If it reaches the boundary of the grid, print \Hit the boundary!" to the console and stop the program. A successful run of your code may look like:Down (0,-1)Down (0,-2)Up (0,-1)Left (-1,-1)Left (-2,-1)Up (-2,0)Left (-3,0)Left (-4,0)Left (-5,0)Hit the boundary! or Left (-1,0)Down (-1,-1)Right (0,-1)Up (0,0)Back to the origin! About: This program is to give you practice using the control ow, the random number generator, and output formatting. You may use <iomanip> to format your output. You may NOT use #include "stdafx.h".Write C++ Code to design the GIKI Hostel Registration System. The Registration is only for Mechanical, Electrical and Engineering Sciences Department. The program displays a menu with the following options: Add Department, Delete Department, Allocate Room to New Student if department is added, delete allocation of Student, display the Registration/Allocation of Student with department name, Search if Room is already allocated to any Student. This information is stored in a linked list of names arranged alphabetically. Create a linked list of registration, where each node points to a pointer to the linked list of Student.Write a C++ program to create a queue. The size of the queue will be dependent on the user. Insert the numbers in the queue till the queue reaches the size. Create a menu and perform the following function on that queue. Enqueue: Add an element to the end of the queue. Dequeue: Remove an element from the front of the queue. IsEmpty: Check if the queue is empty. IsFull: Check if the queue is full. Peek: Get the value of the front of the queue without removing it.
- 1. Write a program that will initially create an UNSORTED list containing the following and then run the program: Mitch Diane Jack Robbie Katherine Answer and explain the following questions below: a) If we check the memory location of each element in the list, what would it be? What index represent each element? b) What happens if we add Morrie in the list? What will be its index value? c) What does the new list look like? Where do you think Morrie should be placed and why? With the same list above (with Morrie added), delete/remove Jack. Answer and explain the following questions below: a) What is the new list? Identify the elements of the list and its index. b) What happened to the former location occupied by Jack?Use C language only. Create a program that will ask for Enter number of students: (for this example 2) Enter student 1's name: Enter student 1's age: Enter student 2's name: E nter student 2's age: At the end, the program shall display two class lists: one with arranged name (ascending order) and the other one arranged according to their age (ascending order). The two lists should contain the complete details of the students as follows: Sorted by name: 1. name, age 2. name, age Sorted by age: 1. name, age 2. name, age If the number of students is less than one, the program will display "no students to display." The letter case (uppercase or lowercase) shall have no bearing in the arrangement of names. Please use the "fgets()" in getting the name.A chain letter starts with a person sending a letter out to 10 others. Each person is asked to send the letter out to 10 others, and each letter contains a list of the previous six people in the chain. Unless there are fewer than six names in the list, each person sends one dollar to the first person in this list, removes the name of this person from the list, moves up each of the other five names one position, and inserts his or her name at the end of this list. If no person breaks the chain and no one receives more than one letter, how much money will a person in the chain ultimately receive? O 10,000 dollars O 1,000,000 dollars O 500,000 dollars O 100,000 dollars