implement a method which takes two LinkedIntLists as input and returns a new list containing all the items of the first followed by all the items of the second. bon't modify the input lists; use the new keyword to create new objects instead. *Returns a list consisting of the integers of a followed by the integers. * of n. Does not modify items of A or B. */ public static LinkedIntList concatenate (LinkedIntList a, LinkedIntList b) { }

implement a method which takes two LinkedIntLists as input and returns a new list containing all the items of the first followed by all the items of the second. bon't modify the input lists; use the new keyword to create new objects instead. Returns a list consisting of the integers of a followed by the integers. of n. Does not modify items of A or B. */ public static LinkedIntList concatenate (LinkedIntList a, LinkedIntList b) { }

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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in Jave create a method work() with the follow instructions: If the work() method is passed a non-null then it must return a new List that contains some or all of the elements in data. The elements of the new List must be aliases for (not copies of) the objects in the List it is passed. If there are no sign attributes (i.e., the array is null or has 0 elements) then the work() method must return an empty List. If any of the conditions represented by the sign attribute holds for a particular element that that element must be included in the result (i.e., the conditions must be combined using a logical OR). The elements in the returned List must be in the same order they appeared in the original List (though not all elements must be in the result). public List<T> work(List<T> g){
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Given main.py and an IntNode class, complete the IntList class (a linked list of IntNodes) by writing the insert_in_descending_order() method to insert new IntNodes into the IntList in descending order. Ex. If the input is: 3 4 2 5 1 6 7 9 8 the output is: 9 8 7 6 5 4 3 2 1 main.py(can not edit) from IntNode import IntNodefrom IntList import IntList if __name__ == "__main__": int_list = IntList() input_line = input() input_strings = input_line.split(' ') for num_string in input_strings: # Convert from string to integer num = int(num_string) # Insert into linked list in descending order new_node = IntNode(num) int_list.insert_in_descending_order(new_node) int_list.print_int_list() IntNode.py(can not edit) class IntNode: def __init__(self, initial_data, next = None, prev = None): self.data = initial_data self.next = next self.prev = prev IntList.py(need to edit)
File TesSLL.java contains a driver that allows you to experiment with these methods. Compile and run TestSLL, and play around with it to see how it works. Then add the following methods to the SinglyLinkedList class. For each, add an option to the driver to test it. Do this in incremental steps!! This means, implement and test the methods one at a time.
Create a nested class called DoubleNode that allows you to create doubly-linked lists with each node containing a reference to the item before it and the item after it (or null if neither of those items exist). Then implement static methods for the following operations: insert before a given node, insert after a given node, remove a given node, remove from a given node, insert at the beginning, insert at the end, remove from a given node, and remove a given node.
Implement a linked list of integers as aclass LinkedList. Build the following methods:✓ print that prints the content of the linked list;✓ addFirst that adds a new node to the beginning (the head) of thelinked list;✓ addLast that adds a new node to the end (the tail) of the linked list;✓ indexOf that finds a specific node by its value, and returns node’sindex (node’s position from the left in the linked list); if the valueis not present in the linked list, it returns −1;✓ deleteFirst that deletes the first node in the linked list;✓ deleteLast that deletes the last node in the linked list.Test your class creating a list in the main and1) adding one by one nodes 2, 4, 8 to the tail;2) adding nodes -2, -8 to the head;3) adding a node 9 to the tail;4) printing the list;5) printing indexOf(4);6) printing contains(9);7) deleting one by one all the nodes in the list – either from the tail orfrom the head – and printing the result after each deletion. THEN AFTER THIS Add a new method IN THE…
Given the MileageTrackerNode class, complete main() in the MileageTrackerLinkedList class to insert nodes into a linked list (using the insertAfter() method). The first user-input value is the number of nodes in the linked list. Use the printNodeData() method to print the entire linked list. DO NOT print the dummy head node. Ex. If the input is: 3 2.2 7/2/18 3.2 7/7/18 4.5 7/16/18 the output is: 2.2, 7/2/18 3.2, 7/7/18 4.5, 7/16/18 public class MileageTrackerNode { private double miles; // Node data private String date; // Node data private MileageTrackerNode nextNodeRef; // Reference to the next node public MileageTrackerNode() { miles = 0.0; date = ""; nextNodeRef = null; } // Constructor public MileageTrackerNode(double milesInit, String dateInit) { this.miles =…
please fix code to match "enter patients name in lbs" thank you import java.util.LinkedList;import java.util.Queue;import java.util.Scanner; interface Patient { public String displayBMICategory(double bmi); public String displayInsuranceCategory(double bmi);} public class BMI implements Patient { public static void main(String[] args) { /* * local variable for saving the patient information */ double weight = 0; String birthDate = "", name = ""; int height = 0; Scanner scan = new Scanner(System.in); String cont = ""; Queue<String> patients = new LinkedList<>(); // do while loop for keep running program till user not entered q do { System.out.print("Press Y for continue (Press q for exit!) "); cont = scan.nextLine(); if (cont.equalsIgnoreCase("q")) { System.out.println("Thank you for using BMI calculator"); break;…
JAVA please Given 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 Code provided in the assignment ItemNode.java:
Given main.py and a PersonNode class, complete the PersonList class by writing find_first() and find_last() methods at the end of the PersonList.py file. The find_first() method should find the first occurrence of an age value in the linked list and return the corresponding node. Similarly, the find_last() method should find the last occurrence of the age value in the linked list and return the corresponding node. For both methods, if the age value is not found, None should be returned. The program will replace the name value of each found node with a new name. Ex. If the input is: Alex 23 Tom 41 Michelle 34 Vicky 23 -1 23 Connor 34 Michela main.py(can not edit) from PersonNode import PersonNodefrom PersonList import PersonList if __name__ == "__main__": person_list = PersonList() # Read input lines until encountering '-1' input_line = input() while input_line != '-1': split_input = input_line.split(' ') name = split_input[0] age =…
JAVA plese Implement the indexOf method in the LinkedIntegerList class public int indexOf(int value); /** * Returns whether the given value exists in the list. * @param value - value to be searched. * @return true if specified value is present in the list, false otherwise. */ } public static void main(String[] args) { // TODO Auto-generated method stub SimpleIntegerListADT myList = null; System.out.println(myList); for(int i=2; i<8; i+=2) { myList.add(i); } System.out.println(myList.indexOf(44));
Given the source code of linked List, answer the below questions(image): A. Fill out the method printList that print all the values of the linkedList: Draw the linked list. public void printList() { } // End of print method B. Write the lines to insert 10 at the end of the linked list. You must draw the final linked List. Notice that you can’t use second or third nodes. Feel free to define a new node. Assume you have only a head node C. Write the lines to delete node 2. You must draw the final linked list. Notice that you can’t use second or third node. Feel free to define a new node. Assume you have only a head node