A Listlterator provides bidirectional traversal of the elements of a List and can start the traversal at any position in the List. O True O False
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Computer science questions
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- Which XXX would replace the missing statements in the following code to prepend a node in a doubly-linked list? ListPrepend(students, newNode) {if (list⇢head == null) {list⇢head = newNodelist⇢tail = newNode}else {XXXlist⇢head = newNode}} Group of answer choices newNode⇢head = list⇢nextlist⇢head⇢prev = newNode newNode⇢next = list⇢headlist⇢head⇢next = newNode newNode⇢next = list⇢taillist⇢head⇢next = newNode newNode⇢next = list⇢headlist⇢head⇢prev = newNodeWhich XXX completes the following algorithm for inserting a new node into a singly-linked list? ListInsertAfter(list, curNode, newNode) {if (list⇢head == null) {list⇢head = newNodelist⇢tail = newNode}else if (curNode == list⇢tail) {list⇢tail⇢next = newNodelist⇢tail = newNode}else {XXX}} Group of answer choices newNode⇢next = curNode⇢nextcurNode⇢next = null newNode⇢next = nullcurNode⇢next = list⇢tail⇢next newNode⇢next = curNode⇢nextcurNode⇢next = newNode newNode⇢next = curNode⇢nextcurNode = newNodeWhich XXX would replace the missing statement in the given algorithm for traversing a circular linked list? CircularListTraverse(head) {if (head is not null) {current = headdo {visit currentcurrent = current⇢next} while (XXX)} } Group of answer choices current == head current == tail current != head current != tail
- Which element is stored at index 1 after the following sequence? ArrayList<String>groceryList;groceryList=newArrayList<String>();groceryList.add("Bread");groceryList.add("Apples");groceryList.add("Grape Jelly");groceryList.add(1,"Peanut Butter");groceryList.set(1,"Frozen Pizza");groceryList.remove(1); Bread Peanut Butter Apples Frozen Pizza For the given code, when is numType.setText() called? publicclassOddEvenextendsJFrameimplementsChangeListener{privateJSpinnernumSpinner;privateJTextFieldnumType;...numSpinner.addChangeListener(this);...@OverridepublicvoidstateChanged(ChangeEventevent){IntegernumValue;numValue=(Integer)numSpinner.getValue();if(numValue%2==0){numType.setText("Even");}else{numType.setText("Odd");}}...} Every time numSpinner's value changes Only the first time numSpinner's value changes Every time numSpinner's…How many references must you change to insert/delete a node in a single/double linked list? What are the time complexities of finding 10000th element from beginning of a linked list of size n? Understand the method such as AppentToHead, AppendToTail, Delete,...etc and be able to answer questions based on certain scenario?Add a method to the Parking Office to return a collection of permit ids (getPermitIds) Current Java Code: package parkingsystem4;import java.util.LinkedList;import java.util.List; public class ParkingOffice { String name; String address; List<Car> cars = new LinkedList<Car>(); List<Customer> customers = new LinkedList<Customer>(); List<ParkingLot> lots = new LinkedList<ParkingLot>(); List<ParkingCharge> charges = new LinkedList<ParkingCharge>(); // Default constructor ParkingOffice(){ } // Parameterized constructor ParkingOffice(String name, String address, List<Car> parkedCars, List<ParkingLot> lots, List<ParkingCharge> charges){ this.name = name; this.address = address; this.cars = parkedCars; this.lots = lots; this.charges = charges; } public void registerCustomer(Customer registeringCustomer){…
- Using eclipse, write a Console Java program that inserts 25 random integers in the range of 0 to 100 into a Linked List. (Use SecureRandom class from java.security package.SecureRandom rand = new SecureRandom(); - creates the random number objectrand.nextInt(100) - generates random integers in the 0 to 100 range)Using a ListItreator output the contents of the LinkedList in the original order. Using a ListItreator output the contents of the LinkedList in the reverse order.Write a Java program called List for the LinkedList pseudocode 1. Create mylist 2. add(100) 3. addLast(200) 4. addFirst(300) 5. add(3,120) 6. print mylist 7. remove(2) 8. removeFirst() 9. removeLast 10. Print mylistWhich XXX would replace the missing statement in the following algorithm to remove a node from the singly-linked list? ListRemoveAfter(list, curNode) {if (curNode is null && list⇢head is not null) {sucNode = list⇢head⇢nextlist⇢head = sucNodeif (sucNode is null) {XXX}}else if (curNode⇢next is not null) {sucNode = curNode⇢next⇢nextcurNode⇢next = sucNodeif (sucNode is null) {list⇢tail = curNode}}} Group of answer choices list⇢head = sucNode sucNode = list⇢head⇢next list⇢tail = curNode list⇢tail = null
- Your task is to: Implement the LinkedList interface ( fill out the implementation shell). Put your implementation through its paces by exercising each of the methods in the test harness. Create a client ( a class with a main ) ‘StagBusClient’ which builds a bus route by performing the following operations on your linked list: - Create (insert) 4 stations - List the stations - Check if a station is in the list (print result). Check for a station that exists, and one that doesn’t - Remove a station. List the stations - Add a station before another station. List the stations - Add a station after another station. Print the stations LinkedList.java package linkedList; public interface LinkedList { public Boolean isItemInList(String thisItem); // true if it is, false if not public Boolean addItem(String thisItem); // true if added, false if it was already there, or an error public Integer itemCount(); public void listItems(); public Boolean deleteItem(String thisItem); // true if deleted,…Which of the following implementation is the best in terms of time consumption when we have a music player that allows us to skip to next song, go back to previous song, and automatically goes back to the first song after playing the last one in the list? a.Singly linked list b.Circular Doubly linked list. c. Doubly linked list d.Circular Singly linked list e.All of the above have same preformanceWrite C++ program to give implementation of circular linked list and should have the following functionality.-InsertFirst ( ? )-InsertLast ( ? )-InsertSpecific ( ? )-DisplayList ( ? )-DeleteFirst ( ? )-DeleteLast ( ? )-DeleteSpecific( ? ) Note: use DSA concepts