Create a program named FriendList that declares an array of eight Friendobjects and prompts the user to enter data about the friends. Display the Friendobjects in alphabetical order by first name. The Friend class includes auto-implemented properties for the Friend’s name, phone number, and three integers that together represent the Friend’s birthday—month, day, and year. 9. b. Create a FriendBirthday program that modifies the FriendList program created in Exercise 9a so that after the list of Friend objects is displayed, the program prompts the user for a specific Friend’s name and the program returns the Friend’s phone number and birthday. Display an appropriate message if the friend requested by the user is not found. 9. c. Create a program named AllFriendsInSameMonth that modifies the program in Exercise 9b so that after the requested Friend’s birthday is displayed, the program also displays a list of every Friend who has a birthday in the same month.C# Programming 3. 5. Create an application named CarDemo that declares at least two Car objects anddemonstrates how they can be incremented using an overloaded ++ operator. CreateCar class that contains a model and a value for kilometres per litre. Include twooverloaded constructors. One accepts parameters for the model and kilometres perlitre; the other accepts a model and sets the kilometres per litre to 20. Overload a ++operator that increases the kilometres per litre value by 1. The CarDemocreates at least one Car using each constructor and displays the Car values bothbefore and after incrementation. (In some other languages, notably C++, you can writetwo methods to overload ++ as a prefix and postfix operator. However, when youoverload either the ++ or - operator in C#, the operator can be used either before orafter the object, but the same method executes either way, and there is no differencein the results.)Theapplication4. 9. a. Create a program named FriendList that declares an array of eight Friendobjects and prompts the user to enter data about the friends. Display the Friendobjects in alphabetical order by first name. The Friend class includes auto-implemented properties for the Friend's name, phone number, and three integers thattogether represent the Friend's birthday-month, day, and year.9. b. Create a FriendBirthday program that modifies the FriendList program createdin Exercise 9a so that after the list of Friend objects is displayed, the program promptsthe user for a specific Friend's name and the program returns the Friend's phonenumber and birthday. Display an appropriate message if the friend requested by theuser is not found.9. c. Create a program named AIIFriendsInSameMonth that modifies the program inExercise 9b so that after the requested Friend's birthday is displayed, the programalso displays a list of every Friend who has a birthday in the same month.nember: All the exercises must be handed in as a single .zip file.

using System;using System.Collections.Generic;using System.Linq;using System.Text;using…

Answered: Create a program named FriendList that…

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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Create a program named FriendList that declares an array of eight Friend objects and prompts the user to enter data about the friends. Display the Friend objects in alphabetical order by first name. The Friend class includes auto- implemented properties for the Friend’s name, phone number, and three integers that together represent the Friend’s birthday—month, day, and year. 9. b. Create a FriendBirthday program that modifies the FriendList program created in Exercise 9a so that after the list of Friend objects is displayed, the program prompts the user for a specific Friend’s name and the program returns the Friend’s phone number and birthday. Display an appropriate message if the friend requested by the user is not found. 9. c. Create a program named AllFriendsInSameMonth that modifies the program in Exercise 9b so that after the requested Friend’s birthday is displayed, the program also displays a list of every Friend who has a birthday in the same month. C# Programming

3. 5. Create an application named CarDemo that declares at least two Car objects and
demonstrates how they can be incremented using an overloaded ++ operator. Create
Car class that contains a model and a value for kilometres per litre. Include two
overloaded constructors. One accepts parameters for the model and kilometres per
litre; the other accepts a model and sets the kilometres per litre to 20. Overload a ++
operator that increases the kilometres per litre value by 1. The CarDemo
creates at least one Car using each constructor and displays the Car values both
before and after incrementation. (In some other languages, notably C++, you can write
two methods to overload ++ as a prefix and postfix operator. However, when you
overload either the ++ or - operator in C#, the operator can be used either before or
after the object, but the same method executes either way, and there is no difference
in the results.)
The
application
4. 9. a. Create a program named FriendList that declares an array of eight Friend
objects and prompts the user to enter data about the friends. Display the Friend
objects in alphabetical order by first name. The Friend class includes auto-
implemented properties for the Friend's name, phone number, and three integers that
together represent the Friend's birthday-month, day, and year.
9. b. Create a FriendBirthday program that modifies the FriendList program created
in Exercise 9a so that after the list of Friend objects is displayed, the program prompts
the user for a specific Friend's name and the program returns the Friend's phone
number and birthday. Display an appropriate message if the friend requested by the
user is not found.
9. c. Create a program named AIIFriendsInSameMonth that modifies the program in
Exercise 9b so that after the requested Friend's birthday is displayed, the program
also displays a list of every Friend who has a birthday in the same month.
nember: All the exercises must be handed in as a single .zip file.

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