Write a class with a main method that uses a priority queue to store a list of chores and the chore's priority. You need to store the name of the chore and it's assigned priority. Assigned priorities can be any positive integer. The rest is up to you. You may use the Java Linked List Class and build your queue with that class.
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The first picture is part 1 and the second picture is pt 2. Please keep the code neat... and add comments. (The comments doesnt need to be long, just keep them short and simple). Please dont do add extra things into the code. Just follow the instructions. Thanks. WRITE in JAVA.
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There are several things that are wrong with this question. When I type it in my IDE, It comes up as 44 errors. And what exactly is supposed to be the output? You didn't post that.
- Java Program, Dont Copy Consider a class Student that has an attribute age and a method getAge(): StudentList is a class representing a linkedlist of students. Write sumListAge_lterative......), a method that computes and returns the sum of the ages of all students in the list using the iterative way. Parameters of the method should be specified accordinglyJava Program Consider a class Student that has an attribute age and a method getAge(): StudentList is a class representing a linkedlist of students. Write sumListAge_lterative......), a method that computes and returns the sum of the ages of all students in the list using the iterative way. Parameters of the method should be specified accordinglyin java Write a method for the Linked Based List class which returns the largest item in the list. If the list is empty return null. Assume that class T is Comparable.DO NOT USE ANY OTHER METHODS OF THE LINKED BASED LIST CLASS. What is the worst case and best case complexity of the code in the previous problem? Explain your answer.
- Given a ListItem class, complete main() using the built-in LinkedList type to create a linked list called shoppingList. The program should read items from input (ending with -1), adding each item to shoppingList, and output each item in shoppingList using the printNodeData() method. Ex. If the input is: milk bread eggs waffles cereal -1 the output is: milk bread eggs waffles cereal ShoppingList.java import java.util.Scanner;import java.util.LinkedList; public class ShoppingList {public static void main (String[] args) {Scanner scnr = new Scanner(System.in); // TODO: Declare a LinkedList called shoppingList of type ListItem String item;// TODO: Scan inputs (items) and add them to the shoppingList LinkedList// Read inputs until a -1 is input// TODO: Print the shoppingList LinkedList using the printNodeData() method }} ListItem.java public class ListItem {private String item; public ListItem() {item = "";} public ListItem(String itemInit) {this.item = itemInit;} // Print this node…Given a ListItem class, complete main() using the built-in LinkedList type to create a linked list called shoppingList. The program should read items from input (ending with -1), adding each item to shoppingList, and output each item in shoppingList using the printNodeData() method. Ex. If the input is: milk bread eggs waffles cereal -1 the output is: milk bread eggs waffles cereal ListItem.java (read only) public class ListItem {private String item; public ListItem() {item = "";} public ListItem(String itemInit) {this.item = itemInit;} // Print this node public void printNodeData() {System.out.println(this.item);}} ShoppingList.java import java.util.Scanner;import java.util.LinkedList; public class ShoppingList {public static void main (String[] args) {Scanner scnr = new Scanner(System.in); // TODO: Declare a LinkedList called shoppingList of type ListItem String item;// TODO: Scan inputs (items) and add them to the shoppingList LinkedList// Read inputs until a -1 is input// TODO:…You may find a doubly-linked list implementation below. Our first class is Node which we can make a new node with a given element. Its constructor also includes previous node reference prev and next node reference next. We have another class called DoublyLinkedList which has start_node attribute in its constructor as well as the methods such as: 1. insert_to_empty_list() 2. insert_to_end() 3. insert_at_index() Hints: Make a node object for the new element. Check if the index >= 0.If index is 0, make new node as head; else, make a temp node and iterate to the node previous to the index.If the previous node is not null, adjust the prev and next references. Print a message when the previous node is null. 4. delete_at_start() 5. delete_at_end() . 6. display() the task is to implement these 3 methods: insert_at_index(), delete_at_end(), display(). hint on how to start thee code # Initialize the Node class Node: def __init__(self, data): self.item = data…
- Implement 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. Node* GetNode(int index) const;A private function which is only accessible to the class methods. . For example, index 0 corresponds to the head and index length-1 corresponds to end node of the linked list. The function returns NULL if the index is out of bound.Implement the following public methods:2. LinkedList();Constructor that sets head to NULL and length equal to zero.3. bool InsertAt(int data, int index);Insert a new node at the index. Return true if successful, otherwise,return false. The new node should be at the position “index” in the linked list after inserting it. You might have to use GetNode private function. these 3 partsGiven main() in the ShoppingList class, define an insertAtEnd() method in the ItemNode class that adds an element to the end of a linked list. DO NOT print the dummy head node. Ex. if the input is: 4 Kale Lettuce Carrots Peanuts where 4 is the number of items to be inserted; Kale, Lettuce, Carrots, Peanuts are the names of the items to be added at the end of the list. The output is: Kale Lettuce Carrots Peanuts public class ItemNode { private String item; private ItemNode nextNodeRef; // Reference to the next node public ItemNode() { item = ""; nextNodeRef = null; } // Constructor public ItemNode(String itemInit) { this.item = itemInit; this.nextNodeRef = null; } // Constructor public ItemNode(String itemInit, ItemNode nextLoc) {…How do I code the interfaces, classes and JUnit 4 tests in java? this is all the information given below: A sentence in English is made of several words in a particular sequence. You must represent such a sentence as a list of words. Much like the list example we saw in class, this one is made of nodes (represented by a Sentence interface). There is one word per node, called WordNode. The sentence may also contain zero or more punctuation marks, which are represented by a PunctuationNode. The end of the sentence is denoted by a special empty node, called EmptyNode. Define the following operations for such a list of words: A method getNumberOfWords that computes and returns the number of words in a sentence. The punctuation does not count as a word. This method should answer/return an int. A method longestWord that determines and returns the longest word in a sentence. The word returned is just the word, and should not begin or end with punctuation. If the sentence contains no…
- test = true; ptrthis= llend if llend for if return false; llend for //end methodWrite a method called changeQueue to be considered inside the ArrayQueue class and has one parameter item of type E. Your method will change the queue in such a way that if the the first element of the queue and the last element of the queue are equal, the first and last elements in the queue will be replaced with item, otherwise, do not do any change. Similarly, the same process is done for the second element in the queue and the element before the last in the queue and so on. Assume you have a non-empty queue with even number of elements. You are not allowed to call any method from the the ArrayQueue. class. Do not use iterators. Method head: public void changeQueue(E item) Examplet: Before run: front rear "this" queue: 10 29 2 25 10 Item1: 100 After run: front rear "this" queue: 100 29 100 100 5 100 Use the editor to format your answerWrite a method called changeQueue to be considered inside the ArrayQueue class and has one parameter item of type E. Your method will change the queue in such a way that if the the first element of the queue and the last element of the queue are equal, the first and last elements in the queue will be replaced with item, otherwise, do not do any change. Similarly, the same process is done for the second element in the queue and the element before the last in the queue and so on. Assume you have a non-empty queue with even number of elements. You are not allowed to call any method from the the ArrayQueue class. Do not use iterators. Method head: public void changeQueue(E item) Example1: Before run: front rear "this" queue: 10 29 2 2 5 10 Item1: 100 After run: front rear "this" queue: 100 29 100 100 5 100