Ms 123993 code Resources.
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Ms 123993 code Resources.
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- 1 Implement a nested class DoubleNode for building doubly-linked lists, where each node contains a reference to the item preceding it and the item following it in the list (null if there is no such item). Then implement static methods for the following tasks: 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.Using the picture, use Java to design and implement the class PascalTriangle that will generate a Pascal Triangle from a given number of rows. Represent each row in a triangle as a list and the entire triangle as a list of these lists, implement the class ArrayList for these lists.Implement a nested class DoubleNode for building doubly-linked lists, whereeach node contains a reference to the item preceding it and the item following it in thelist (null if there is no such item). Then implement static methods for the followingtasks: insert at the beginning, insert at the end, remove from the beginning, removefrom the end, insert before a given node, insert after a given node, and remove a givennode.
- Give an example of a situation where you would use a tuple, set, or dict in place of a list. Just pick one, you don't have to explain all three, but do be specific about why the collection you picked would be more suitable for the situation that you describe than a list.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…Implement a self-organizing list by building a single linked list of nodes and frequently and randomly retrieving data from the list. Show what happens to the list when the count, move to front, and transpose techniques are applied to the same set of frequently retrieved items.
- 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.In our demo program, we compared the efficiency of ArrayList and LinkedList byadding a number of items to beginning of these two kinds of lists. Which kind of list(ArrayList or LinkedList) takes less time to add? Briefly explain why is that? Youmay draw diagrams to explain.The implementation of a queue in an array, as given in this chapter, uses the variable count to determine whether the queue is empty or full. You can also use the variable count to return the number of elements in the queue. On the other hand, class linkedQueueType does not use such a variable to keep track of the number of elements in the queue. Redefine the class linkedQueueType by adding the variable count to keep track of the number of elements in the queue. Modify the definitions of the functions addQueue and deleteQueue as necessary. Add the function queueCount to return the number of elements in the queue. Also, write a program to test various operations of the class you defined.
- Apply the methods in the ListIterator interface to write a Java program in NetBeans that creates a LinkedList of four elements of type string, namely: Java, C#, PHP and Python.The program should then print out the elements initially in the original order, and then afterwards in reverse order using the ListIterator methods. In this case, the following(attached) is the expected output:Implement a city database using ordered lists. Each database record contains the name of the city (a string of arbitrary length) and the coordinates of the city expressed as integer x and y coordinates. Your database should allow records to be inserted, deleted by name, and searched by name. Another operation that should be supported is to print all records within a given distance of a specified point/coordinate. The order of cities should be alphabetically by city name. Implement the database using: an array- based list implementation. By using JAVA.Implement a priority queue (for both max and min, one time the bigger numbers should have higher priority, other time the smaller numbers should have higher priority ) in python using a linked list. The priority queue should have four functions, 1/ insert(item, priorityValue), peek(), delete(), changePriority(item, newPriority).