Student should be able to develop the programs for queue using arrays and linked list Exercise 1: Implementation of Queue using Array or Linked list Real life situation. Design a simulation that can help to answer it. Customers at a grocery store want to check-out The grocery have 3 counter and the costumer must choose one of the counter Counter 1:3 people assembly Counter 2: 2 people assembly Counter 3: 3 people assembly The costumer should choose the fastest way to check out
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- In Java In the real world, you will often be tasked with understanding and improving another person’sinelegant, hard-to-understand code. This project provides practice for that type of work.The given program, shown below, implements a circular-array queue. A queue is a British term for aline of people waiting to be served. A queue can also refer to any line of items where the item at thefront of the queue is served next, and new items are added at the rear of the queue. Informationtransmission systems, like the Internet, have lots of queues, where messages in transit are temporarilystalled at some intermediate system node, waiting to get into the next available time slot on the next legof their journey. A queue’s length is the total number of people or items currently waiting. When thenext item is served, that shortens the queue by one. When another person arrives, that lengthens thequeue by one. A queue’s capacity is the maximum number of items that can fit in the line at one time.If…In a bank, customers wait in a queue (q0) for their turn to complete a transaction. Customers who come first are served first. At a certain point when there are lots of customers waiting, a decision is taken to split the queue elements into two empty queues q1 and q2. The customers are split based on the alphabetical order of their first names. Customers with first name starting A-H are added to q1 while the others (first name starting I-Z) are added to q2. In an application, write a method named splitQueue (in an application) that accepts as parameters 3 queues, the original queue (q0) and two empty queues (q1 and q2) to be filled as described above. Write also a main method in which you read the first names of customers from the user, fill them into q0 and call the method splitQueue to split q0 elements into q1 and q2. After the split display the elements of q1 first then those of q2. The header of the method is: public static void splitQueue ( Queue q0, Queue q1, Queue q2) Note:…Queues are often used to simulate situations where people have to wait in line. One scenario we can simulate with a queue is the annual Single’s Night dance at the Elks Lodge. Men and women enter the lodge and stand in line. The dance floor is quite small and there is room for only three couples at a time. As there is room on the dance floor, dance partners are chosen by taking the first man and woman in line. These couples are taken out of the queue and the next set of men and women are moved to the front of the queue. As this action takes place, the program announces the first set of dance partners and who the next people are in line. If there is not a complete couple, the next person in line is announced. If no one is left in line, this fact is displayed.First, let’s look at the data we use for the simulation:F Jennifer IngramM Frank OpitzM Terrill BeckermanM Mike DahlyF Beata LovelaceM Raymond WilliamsF Shirley YawM Don GundolfF Bernica TackettM David DurrM Mike McMillanF Nikki…
- An airport has a runway for airplanes landing and taking off. When the runway is busy, airplanes wishing to take off or land have to wait. Landing airplanes get priority, and if the runway is available, it can be used. Implement a Java class, Airport.java, for this simulation, using two appropriate lists, one for the airplanes waiting to take off and one for those waiting to land. Note that the data structures you select for the two lists must be suitable for this purpose. For instance, the sooner an airplane comes for landing, the sooner it will land. Also, you must keep the record of all the airplanes that have already landed or taken off in one single list, to print out the activity log whenever asked, such that the sooner an airplane landed, the later it shows in the printout. To get a clear idea, please have a close look at the expected outputs of the execution of the tester class provided. The user enters the following commands: (The user entry has already been done in the tester…PLEASE USE C/C++.DONOT USE PYTHON Using linked lists implement an amusement park reservation system. The system allows a person to make a reservation for a specific date. A person can change the reservation date or even cancel his booking anytime. The system puts all reservations in a queue. The park will allow only certain number of persons on any given day in order the reservation was made. For each day the system will print out persons allowed to visit the park. For sake of simplicity, dates are being confined to 15th to 30th. The system should ask the user to enter code for different operations. It reads all data from the datafile amusement.dat. The first integer on datafile indicates limit of persons allowed on any day. code 1: make reservation, system expects date followed by name (within 20 characters) and makes reservation. If number of bookings exceeds allowed number, then system prints SORRY, QUOTA OVER and moves over to read next code. code 2: change date of…Student should be able to develop the programs for queue using arrays and linked list By Using C++ software. Exercise 1: Implementation of Queue using Array or Linked list Consider a real life situation. Formulate a question and then design a simulation that can help to answer it. Choose one of the following situations: • Cars lined up at a car wash • Customers at a grocery store check-out • Airplanes taking off and landing on a runway • A bank teller Be sure to state any assumptions that you make and provide any probabilistic data that must be considered as part of the scenario.
- 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 circular linked list should be used is a items in the shopping cart In online shopping cart, the system must maintain a list of items and must calculate total bill by adding amount of all the items in the cart, Implement the above scenario using Circular Link List. 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 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 list Display all items. Traverse the link list so that each items bill gets calculated (by multiplying quantity with price) and also calculate and display Total bill in the end.…In this lab the task is to write a program that maintains a personal phone book. The program allows to: ▪ Add and Delete entries from the phone book, ▪ Search the phone book for a specific entry by last name or by phone number, and ▪ Print out the entire entries in the phone book. The data in the phone book is maintained by storing in memory with the use of a singly linked list, with one list node per entry. Each node contains members for storing a person’s family name, first name, address, and the phone number. Use strings to store this information. The linked list must be kept in increasing alphabetical order, sorted by family name. There are no duplicate entries with the same family name allowed in the phone book. This program should be menu driven, with the user being offered a choice of the following commands described below: ▪ Insert a new entry into the phone book. The program should prompt the user for a new family name and first name, an address and a phone number. This…Write a program for the implementation of a queue using singly linked list. The elements of the queue should be strings of length at most 20 characters. Print the queue and do the following operations on the created queue : (a) Insert a new element. (b) Delete an element from the queue.
- QUESTION 9 Write a complete Java program to implement a QUEUE in a bank using LinkedList class as follows: • Provide the menu as shown below; use an infinite loop; stop when user opts 4. 1. Add a customer 2. Remove a customer 3. Show the queue 4. Exit • Add a customer should add an int number at the end of queue using the method addLast(). • Remove a customer should delete the int from front using the method removeFirst(). Show the queue should display the numbers in queue using the method System.out.printIn(). For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac).in the array based queue, if the rear = front then Select one: a. the queue is empty b. the queue must have many items C. the queue is full d. the queue has one itemWrite a program in Python to show how a queue works using empty, size, front, back, push item onto queue, and push item off queue.