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C# 11 and .NET 7 – Modern Cross-Platform Development Fundamentals - Seventh Edition

You're reading from  C# 11 and .NET 7 – Modern Cross-Platform Development Fundamentals - Seventh Edition

Product type Book
Published in Nov 2022
Publisher Packt
ISBN-13 9781803237800
Pages 818 pages
Edition 7th Edition
Languages
Author (1):
Mark J. Price Mark J. Price
Profile icon Mark J. Price
Toc

Table of Contents (19) Chapters close

Preface 1. Hello, C#! Welcome, .NET! 2. Speaking C# 3. Controlling Flow, Converting Types, and Handling Exceptions 4. Writing, Debugging, and Testing Functions 5. Building Your Own Types with Object-Oriented Programming 6. Implementing Interfaces and Inheriting Classes 7. Packaging and Distributing .NET Types 8. Working with Common .NET Types 9. Working with Files, Streams, and Serialization 10. Working with Data Using Entity Framework Core 11. Querying and Manipulating Data Using LINQ 12. Introducing Web Development Using ASP.NET Core 13. Building Websites Using ASP.NET Core Razor Pages 14. Building Websites Using the Model-View-Controller Pattern 15. Building and Consuming Web Services 16. Building User Interfaces Using Blazor 17. Epilogue 18. Index

Writing and calling methods

Methods are members of a type that execute a block of statements. They are functions that belong to a type.

Returning values from methods

Methods can return a single value or return nothing:

  • A method that performs some actions but does not return a value indicates this with the void type before the name of the method.
  • A method that performs some actions and returns a value indicates this with the type of the return value before the name of the method.

For example, in the next task, you will create two methods:

  • WriteToConsole: This will perform an action (writing some text to the console), but it will return nothing from the method, indicated by the void keyword.
  • GetOrigin: This will return a text value, indicated by the string keyword.

Let’s write the code:

  1. In Person.cs, add statements to define the two methods that I described earlier, as shown in the following code: ...
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