Starting Out With Visual C# (5th Edition)
5th Edition
ISBN: 9780135183519
Author: Tony Gaddis
Publisher: PEARSON
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Expert Solution & Answer
Chapter 11.3, Problem 11.8CP
Explanation of Solution
Purpose of an abstract class:
- Abstract class is a class which acts as a base class for derived class that may contain one or more abstract methods and there is no need to instantiate, but it requires the derived class to provide implementations for abstract methods.
- The keyword “abstract” is used to create an abstract class.
- A class is declared as abstract when the methods inside the class are declared as abstract without implementation...
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8. Name and Email AddressesWrite a program that keeps names and email addresses in a dictionary as key-value pairs. The program should display a menu that lets the user look up a person’s email address, add a new name and email address, change an existing email address, and delete an existing name and email address. The program should pickle the dictionary and save it to a file when the user exits the program. Each time the program starts, it should retrieve the dictionary from the file and unpickle it.
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Chapter 11 Solutions
Starting Out With Visual C# (5th Edition)
Ch. 11.1 - Prob. 11.1CPCh. 11.1 - Prob. 11.2CPCh. 11.1 - Prob. 11.3CPCh. 11.1 - Prob. 11.4CPCh. 11.1 - Prob. 11.5CPCh. 11.2 - Prob. 11.6CPCh. 11.2 - Prob. 11.7CPCh. 11.3 - Prob. 11.8CPCh. 11.3 - Prob. 11.9CPCh. 11.3 - Prob. 11.10CP
Ch. 11.3 - Prob. 11.11CPCh. 11.3 - Prob. 11.12CPCh. 11.4 - Prob. 11.13CPCh. 11.4 - Prob. 11.14CPCh. 11.4 - Prob. 11.15CPCh. 11.4 - Prob. 11.16CPCh. 11.4 - Prob. 11.17CPCh. 11.5 - Prob. 11.18CPCh. 11.5 - Prob. 11.19CPCh. 11.5 - Prob. 11.20CPCh. 11.5 - Prob. 11.21CPCh. 11 - Prob. 1MCCh. 11 - Prob. 2MCCh. 11 - Prob. 3MCCh. 11 - Prob. 4MCCh. 11 - Prob. 5MCCh. 11 - Prob. 6MCCh. 11 - Prob. 7MCCh. 11 - Prob. 8MCCh. 11 - Prob. 9MCCh. 11 - Prob. 10MCCh. 11 - Prob. 11MCCh. 11 - Prob. 12MCCh. 11 - Prob. 13MCCh. 11 - Prob. 14MCCh. 11 - Prob. 15MCCh. 11 - Prob. 16MCCh. 11 - Prob. 17MCCh. 11 - Prob. 18MCCh. 11 - Prob. 19MCCh. 11 - Prob. 1TFCh. 11 - Prob. 2TFCh. 11 - Prob. 3TFCh. 11 - Prob. 4TFCh. 11 - Prob. 5TFCh. 11 - Prob. 6TFCh. 11 - Prob. 7TFCh. 11 - Prob. 8TFCh. 11 - Prob. 9TFCh. 11 - Prob. 10TFCh. 11 - Prob. 11TFCh. 11 - Prob. 12TFCh. 11 - Prob. 1SACh. 11 - Prob. 2SACh. 11 - Prob. 3SACh. 11 - Prob. 4SACh. 11 - Prob. 5SACh. 11 - Prob. 6SACh. 11 - Prob. 7SACh. 11 - Prob. 8SACh. 11 - Prob. 9SACh. 11 - Prob. 10SACh. 11 - Prob. 11SACh. 11 - Prob. 1AWCh. 11 - Prob. 2AWCh. 11 - Prob. 3AWCh. 11 - Prob. 4AWCh. 11 - Prob. 5AWCh. 11 - Prob. 6AWCh. 11 - Prob. 7AWCh. 11 - Prob. 8AWCh. 11 - Prob. 1PPCh. 11 - Prob. 2PPCh. 11 - Prob. 3PPCh. 11 - PERSON AND CUSTOMER Classes Design a class named...Ch. 11 - Prob. 5PPCh. 11 - Prob. 6PP
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