java Singly linked list need help with numbers 5 only 1 to 5 is done but they connected 5 is in the picture 1. Create a class called Citizen with the following attributes/variables: a. String citizenID b. String citizenName c. String citizenSurname d. String citizenCellNumber e. int registrationDay f. int registrationMonth g. int registrationYear 2. Create a class called Node with the following attributes/variables: a. Citizen citizen b. Node nextNode 3. Create a class called CitizenRegister with the following attributes/variables: a. Node headNode b. int totalRegisteredCitizens 4. Add and complete the following methods in CitizenRegister: a. head() i. Returns the first citizen object in the linked list b. tail() i. Returns the last citizen object in the linked list c. size() i. Returns the totalRegisteredCitizen d. isEmpty() i. Returns the boolean of whether the linked list is empty or not e. addCitizenAtHead(Node newNode) i. Adds a new node object containing the citizen object information before the headNode f. addCitizenAtTail(Node newNode) i. Adds a new node object containing the citizen object information at the end of the linked list g. addCitizenBefore(String citizenID, Node newNode) i. Adds a new node object containing the citizen object information before the node with the matching citizenID ii. If such citizen object isn’t found display “Citizen has not registered for vaccine” and add the new node at the end of the linked list h. addCitizenAfter(String citizenID, Node newNode) i. Adds a new node object containing the citizen object information after the node with the matching citizenID ii. If such citizen object isn’t found display “Citizen has not registered for vaccine” and add the new node at the end of the linked list i. removeCitizen(String citizenID) i. Deletes the node object containing the citizen object with the matching citizenID ii. If such citizen object isn’t found display “Citizen has not registered for vaccine” j. removeLastCitizen() i. Deletes the last node object containing the citizen object at the end of the linked list k. removeFirstCitizen() i. Deletes the first node object containing the citizen object in the linked list l. displayAllCitizens() Print the name and surname of all the citizens in the linked list in neatly formatted output: citizenNumber 007 citizenName citizenSurname James Bond

java Singly linked list need help with numbers 5 only 1 to 5 is done but they connected 5 is in the picture 1. Create a class called Citizen with the following attributes/variables: a. String citizenID b. String citizenName c. String citizenSurname d. String citizenCellNumber e. int registrationDay f. int registrationMonth g. int registrationYear 2. Create a class called Node with the following attributes/variables: a. Citizen citizen b. Node nextNode 3. Create a class called CitizenRegister with the following attributes/variables: a. Node headNode b. int totalRegisteredCitizens 4. Add and complete the following methods in CitizenRegister: a. head() i. Returns the first citizen object in the linked list b. tail() i. Returns the last citizen object in the linked list c. size() i. Returns the totalRegisteredCitizen d. isEmpty() i. Returns the boolean of whether the linked list is empty or not e. addCitizenAtHead(Node newNode) i. Adds a new node object containing the citizen object information before the headNode f. addCitizenAtTail(Node newNode) i. Adds a new node object containing the citizen object information at the end of the linked list g. addCitizenBefore(String citizenID, Node newNode) i. Adds a new node object containing the citizen object information before the node with the matching citizenID ii. If such citizen object isn’t found display “Citizen has not registered for vaccine” and add the new node at the end of the linked list h. addCitizenAfter(String citizenID, Node newNode) i. Adds a new node object containing the citizen object information after the node with the matching citizenID ii. If such citizen object isn’t found display “Citizen has not registered for vaccine” and add the new node at the end of the linked list i. removeCitizen(String citizenID) i. Deletes the node object containing the citizen object with the matching citizenID ii. If such citizen object isn’t found display “Citizen has not registered for vaccine” j. removeLastCitizen() i. Deletes the last node object containing the citizen object at the end of the linked list k. removeFirstCitizen() i. Deletes the first node object containing the citizen object in the linked list l. displayAllCitizens() Print the name and surname of all the citizens in the linked list in neatly formatted output: citizenNumber 007 citizenName citizenSurname James Bond

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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Question

java Singly linked list

need help with numbers 5 only 1 to 5 is done but they connected 5 is in the picture

1. Create a class called Citizen with the following attributes/variables:
a. String citizenID
b. String citizenName
c. String citizenSurname
d. String citizenCellNumber
e. int registrationDay
f. int registrationMonth
g. int registrationYear
2. Create a class called Node with the following attributes/variables:
a. Citizen citizen
b. Node nextNode
3. Create a class called CitizenRegister with the following attributes/variables:
a. Node headNode
b. int totalRegisteredCitizens
4. Add and complete the following methods in CitizenRegister:
a. head()
i. Returns the first citizen object in the linked list
b. tail()
i. Returns the last citizen object in the linked list
c. size()
i. Returns the totalRegisteredCitizen
d. isEmpty()
i. Returns the boolean of whether the linked list is empty or not
e. addCitizenAtHead(Node newNode)
i. Adds a new node object containing the citizen object information
before the headNode
f. addCitizenAtTail(Node newNode)
i. Adds a new node object containing the citizen object information at
the end of the linked list
g. addCitizenBefore(String citizenID, Node newNode)
i. Adds a new node object containing the citizen object information
before the node with the matching citizenID
ii. If such citizen object isn’t found display “Citizen has not registered for
vaccine” and add the new node at the end of the linked list
h. addCitizenAfter(String citizenID, Node newNode)
i. Adds a new node object containing the citizen object information
after the node with the matching citizenID
ii. If such citizen object isn’t found display “Citizen has not registered for
vaccine” and add the new node at the end of the linked list
i. removeCitizen(String citizenID)
i. Deletes the node object containing the citizen object with the
matching citizenID
ii. If such citizen object isn’t found display “Citizen has not registered for
vaccine”
j. removeLastCitizen()
i. Deletes the last node object containing the citizen object at the end
of the linked list
k. removeFirstCitizen()
i. Deletes the first node object containing the citizen object in the linked
list
l. displayAllCitizens()
Print the name and surname of all the citizens in the linked list in
neatly formatted output:
citizenNumber 007
citizenName citizenSurname James Bond

N.B. "link" up the remaining linked list! (hints: operations defgh), the above operations
didn't cover all cases, think about what happens if the linked list is empty? What should your
as a programmer do?
Remember this is an OOP practical, all class variables MUST be private, use accessor and
mutators to read/write them, incorrect implementation will result in mark deduction.
5. Driver (the program that runs everything)
a. Create a menu system as shown below:
Welcome to the Covid vaccine registertration program.
Enter numbers for various menu options:
Show the first citizen registered
Show the last citizen registered
Show the total amount of citizen registered
Show whether the list is empty
Add a citizen in front of the list
Add a citizen at the end of the list
Add citizen before a given ID
Add citizen after a given ID
Remove citiven with the given ID
Remove last citizen
Remove first citizen
Show all citizens in the list
Any other integers to Quit.
10
11
12
13+
b. A follow-up menu should prompt the user to enter additional information for
options 5-8 e.g.
Enter citizen info in the folloing format:
citizentD, citizeE,citizersumame,citizencellmber,registrationDay,registrationonth,registrationrear
When the user enters invalid input (e.g. negative integers or integer values
outside the range of options 1- 12):
Terminate the program with the following message
Program terminated due to invalid input. Thanks for using our
systom

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