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Learn C# Programming

You're reading from   Learn C# Programming A guide to building a solid foundation in C# language for writing efficient programs

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Product type Paperback
Published in Apr 2020
Publisher Packt
ISBN-13 9781789805864
Length 636 pages
Edition 1st Edition
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Authors (4):
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Raffaele Rialdi Raffaele Rialdi
Author Profile Icon Raffaele Rialdi
Raffaele Rialdi
Ankit Sharma Ankit Sharma
Author Profile Icon Ankit Sharma
Ankit Sharma
Prakash Tripathi Prakash Tripathi
Author Profile Icon Prakash Tripathi
Prakash Tripathi
Marius Bancila Marius Bancila
Author Profile Icon Marius Bancila
Marius Bancila
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Toc

Table of Contents (20) Chapters Close

Preface 1. Chapter 1: Starting with the Building Blocks of C# 2. Chapter 2: Data Types and Operators FREE CHAPTER 3. Chapter 3: Control Statements and Exceptions 4. Chapter 4: Understanding the Various User-Defined Types 5. Chapter 5: Object-Oriented Programming in C# 6. Chapter 6: Generics 7. Chapter 7: Collections 8. Chapter 8: Advanced Topics 9. Chapter 9: Resource Management 10. Chapter 10: Lambdas, LINQ, and Functional Programming 11. Chapter 11: Reflection and Dynamic Programming 12. Chapter 12: Multithreading and Asynchronous Programming 13. Chapter 13: Files, Streams, and Serialization 14. Chapter 14: Error Handling 15. Chapter 15: New Features of C# 8 16. Chapter 16: C# in Action with .NET Core 3 17. Chapter 17: Unit Testing 18. Assessments 19. Other Books You May Enjoy

Exception handling

There are scenarios where our code produces an error. The error might occur because of a logical issue in the code, such as trying to divide by zero or access an element in an array beyond the bounds of the array. For example, trying to access the fourth element in an array of size three. Errors can also occur because of external factors, such as trying to read a file that does not exist on a disk.

C# provides us with a built-in exception-handling mechanism to handle these types of errors at the code level. The syntax for exception handling is as follows:

try
{
    Statement1;
    Statement2;
} 
catch (type)
{
    // code for error handling
}
finally
{
    // code to always run at the end
}

The try block can contain one or more statements. The catch block contains the error handling code. The finally block contains the code that will execute after the try section. This happens...

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