Null safety in C#
Learn coding practices to help prevent the occurrence of NullReferenceException.
Learning objectives
In this module, you will:
- Learn how to configure the nullable context of your C# project or code.
- Use a nullable enabled context to perform automatic static flow analysis.
- Understand the different ways in which you can declare nullable types.
- Learn how and when to use various null-related C# operators:
- null-forgiving (
!) operator - null-coalescing (
??) operator - null-conditional (
?.) operator
- null-forgiving (
Prerequisites
- Experience writing C# at the beginner level
- Visual Studio Code
- .NET SDK 6.0 or greater
- Git command-line client