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C# 10 and .NET 6 – Modern Cross-Platform Development

C# 10 and .NET 6 – Modern Cross-Platform Development - Sixth Edition

By : Mark J. Price
4.3 (62)
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C# 10 and .NET 6 – Modern Cross-Platform Development

C# 10 and .NET 6 – Modern Cross-Platform Development

4.3 (62)
By: Mark J. Price

Overview of this book

Extensively revised to accommodate all the latest features that come with C# 10 and .NET 6, this latest edition of our comprehensive guide will get you coding in C# with confidence. You’ll learn object-oriented programming, writing, testing, and debugging functions, implementing interfaces, and inheriting classes. The book covers the .NET APIs for performing tasks like managing and querying data, monitoring and improving performance, and working with the filesystem, async streams, and serialization. You’ll build and deploy cross-platform apps, such as websites and services using ASP.NET Core. Instead of distracting you with unnecessary application code, the first twelve chapters will teach you about C# language constructs and many of the .NET libraries through simple console applications. In later chapters, having mastered the basics, you’ll then build practical applications and services using ASP.NET Core, the Model-View-Controller (MVC) pattern, and Blazor.
Table of Contents (18 chapters)
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17
Index

Checking for overflow

Earlier, we saw that when casting between number types, it was possible to lose information, for example, when casting from a long variable to an int variable. If the value stored in a type is too big, it will overflow.

Throwing overflow exceptions with the checked statement

The checked statement tells .NET to throw an exception when an overflow happens instead of allowing it to happen silently, which is done by default for performance reasons.

We will set the initial value of an int variable to its maximum value minus one. Then, we will increment it several times, outputting its value each time. Once it gets above its maximum value, it overflows to its minimum value and continues incrementing from there. Let's see this in action:

  1. Use your preferred coding tool to add a new Console Application to the Chapter03 workspace/solution named CheckingForOverflow.
  2. In Visual Studio Code, select CheckingForOverflow as the active OmniSharp...
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C# 10 and .NET 6 – Modern Cross-Platform Development
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