I need answer question pls Project Operations Write a JAVA program that will maintain a phone directory using a Linked-List. The program should be able to perform the following operations: 1) Add persons details (first name, last name, phone number, city, address, sex and email) to the phone directory, where phone numbers in the directory have to be unique. (Note: each person record will store in one node in the linked-list and insert each person to the last) 2) Delete any person details by a given phone number. 3) Update telephone number by providing person first name. 4) Display all details of persons from a phone directory. 5) Search telephone number based on person first name. (Note: use sequential search to find all telephones for the given first name) 6) Sort all persons in the phone directory ascending based on person first name. (Note: use bubble or selection sort to arrange the entire phone directory) Project Outputs The output has to display a menu of choices. Then the user can select which operation want to perform. Also, you can use the method System.exit(0); to exit the program. The menu of choices will be: 1) Add person details into the telephone book. 2) Remove a person from the telephone book. 3) Update a telephone number by providing person first name. 4) Display the entire telephone book. 5) Search a telephone number based on person first name. 6) Exit the program.

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I need answer question pls Project Operations Write a JAVA program that will maintain a phone directory using a Linked-List. The program should be able to perform the following operations: 1) Add persons details (first name, last name, phone number, city, address, sex and email) to the phone directory, where phone numbers in the directory have to be unique. (Note: each person record will store in one node in the linked-list and insert each person to the last) 2) Delete any person details by a given phone number. 3) Update telephone number by providing person first name. 4) Display all details of persons from a phone directory. 5) Search telephone number based on person first name. (Note: use sequential search to find all telephones for the given first name) 6) Sort all persons in the phone directory ascending based on person first name. (Note: use bubble or selection sort to arrange the entire phone directory) Project Outputs The output has to display a menu of choices. Then the user can select which operation want to perform. Also, you can use the method System.exit(0); to exit the program. The menu of choices will be: 1) Add person details into the telephone book. 2) Remove a person from the telephone book. 3) Update a telephone number by providing person first name. 4) Display the entire telephone book. 5) Search a telephone number based on person first name. 6) Exit the program.

Telephone Book System
Project Description
A telephone book system, also known as a telephone
directory, telephone address book, or Phone book, is a
listing of telephone subscribers in a geographical area or
subscribers to services provided by the organization that
publishes the directory. Its purpose is to allow the
telephone number of a subscriber identified by name and
address to be found.
Project Features
The features of telephone book system are mainly related
to adding, listing, searching, sorting, modifying and
deleting telephone directory-related records. All these
operations are done through Linked-List.
The information contained in the telephone directory
records are the first name, last name, phone number, city,
address, sex and email of the person whose record is
entered in the telephone directory system.
Project Operations
Write a JAVA program that will maintain a phone
directory using a Linked-List. The program should be
able to perform the following operations:
1) Add persons details (first name, last name, phone
number, city, address, sex and email) to the phone
directory, where phone numbers in the directory have
to be unique. (Note: each person record will store in
one node in the linked-list and insert each person to
the last)
2) Delete any person details by a given phone number.
3) Update telephone number by providing person first
name.
4) Display all details of persons from a phone directory.
5) Search telephone number based on person first name.
(Note: use sequential search to find all telephones for
the given first name)
6) Sort all persons in the phone directory ascending
based on person first name. (Note: use bubble or
selection sort to arrange the entire phone directory)
Project Outputs
The output has to display a menu of choices. Then the
user can select wch operaivn want t perform. Also,
FFF

number, city, address, sex and email) to the phone
directory, where phone numbers in the directory have
to be unique. (Note: each person record will store in
one node in the linked-list and insert each person to
the last)
2) Delete any person details by a given phone number.
3) Update telephone number by providing person first
name.
4) Display all details of persons from a phone directory.
5) Search telephone number based on person first name.
(Note: use sequential search to find all telephones for
the given first name)
6) Sort all persons in the phone directory ascending
based on person first name. (Note: use bubble or
selection sort to arrange the entire phone directory)
Project Outputs
The output has to display a menu of choices. Then the
user can select which operation want to perform. Also,
use the method System.exit(0); to exit the
you can
program. The menu of choices will be:
1) Add person details into the telephone book.
2) Remove a person from the telephone book.
3) Update a telephone number by providing person first
name.
4) Display the entire telephone book.
5) Search a telephone number based on person first
name.
6) Exit the program.
Project instructions
1) The total grade for the project is 5 marks (2 marks for
code: 3 marks for discussion).
2) Each student must implement the project individually
without any participation with other students.
3) Your program has to be split into several appropriate
functions and classes.
4) You need to use descriptive variable names by using
comments.
5) The style and readability of your program will also
determine your grade, in addition to the correctness
of the program.

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