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C# 6 and .NET Core 1.0

You're reading from   C# 6 and .NET Core 1.0 Modern Cross-Platform Development

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Product type Paperback
Published in Mar 2016
Publisher
ISBN-13 9781785285691
Length 550 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (20) Chapters Close

Preface 1. Hello, C#! Welcome, .NET Core! FREE CHAPTER 2. Speaking C# 3. Controlling the Flow, Converting Types, and Handling Exceptions 4. Using Common .NET Types 5. Using Specialized .NET Types 6. Building Your Own Types with Object-Oriented Programming 7. Implementing Interfaces and Inheriting Classes 8. Working with Relational Data Using the Entity Framework 9. Querying and Manipulating Data with LINQ 10. Working with Files, Streams, and Serialization 11. Protecting Your Data and Applications 12. Improving Performance and Scalability with Multitasking 13. Building Universal Windows Platform Apps Using XAML 14. Building Web Applications and Services Using ASP.NET Core 15. Taking C# Cross-Platform 16. Building a Quiz A. Answers to the Test Your Knowledge Questions B. Creating a Virtual Machine for Your Development Environment Index

Chapter 7 – Implementing Interfaces and Inheriting Classes

  1. How is a base class and a derived class related?

    A derived class (or subclass) is a class that inherits from a base class (or superclass).

  2. What is the difference between the is and as operators?

    The is operator returns true if an object can be cast to the type. The as operator returns a reference if an object can be cast to the type; otherwise, it returns null.

  3. Which keyword is used to prevent a class from being derived from, or a method from being overridden?
    sealed

    Find more information on the sealed keyword at https://msdn.microsoft.com/en-us/library/88c54tsw.aspx.

  4. Which keyword is used to prevent a class from being instantiated with the new keyword or force a method to be overridden?
    abstract

    Find more information on the abstract keyword at https://msdn.microsoft.com/en-us/library/sf985hc5.aspx.

  5. Which keyword is used to allow a member to be overridden?
    virtual

    Find more information on the virtual keyword at https://msdn.microsoft...

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