I will also need some screen shots after run. Thanks The program requirements are: Company Phone list File layout:

Hi, I need help writing a Java program. I will also need some screen shots after run. Thanks The program requirements are:

Company Phone list

File layout: Phone number (3 digits), Last name, First name

Task: Maintain the phone list by Add, Change, delete, inquire and sorting.

Read the file into memory (hint: parallel arrays)

Display Menu:

1.     List on screen

2.     Add to list (name and phone number)

3.     Change name by phone number

4.     Delete from List (change name to blank)

5.     Inquire: enter phone number, display Name

6.     Sort list either ascending or descending order

7.     Help

8.     Save phone list

9.     Exit

When each item on the menu is done, redisplay the menu

Process:

Open file, display menu, close file

List:

Show on screen Phone number, Last name, first name

Add:

 Enter phone number (phone number: range 1-999)

If not found - display message

If name is blank, enter name (first and last)

If name NOT blank, display message

Change:

Enter phone number

If not found - display message

IF found - display name and ask for new name

If name is blank, ask for new name

Delete:

Enter phone number

If not found - display message

If found - display name and confirm delete

   If confirm is yes - blank out name

   If confirm is no - return to menu

If name is blank, display message

Inquire:

Enter phone number

If found - display name

If not found - display message

If found and name is blank - display message

Sort:

Question: sort ascending, descending or return to menu

If return to menu, then return to menu

If ascending- sort phone number ascending

If descending - sort phone number in descending order

After sort, display phone list

Help:

Display menu option and a one description of the function

Save:

Write phone list back to file

Exit:

If file is open, save phone list, close file

Terminate program

Error:

If a menu selection is made that is not displayed (1-9)

Issue message and display the help screen