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Mastering NullReferenceException Prevention in C#
1.
Strategies to Get Rid of NullReferenceException
About This Course
What Is the NullReferenceException?
Exercise: NullReferenceException and Collections
Quiz on NullReferenceException
Checking and Preventing Null
Exercise: Refactoring a Function to Prevent Null
C# 6.0-8.0 Nullable Operators
Quiz on Nullable Operators
C# 8.0 Nullable References
Exercise: Fixing Compilation Errors with Nullable References
Use the Option Wrapper
Exercise: Practicing Utility Methods from the Optional Library
Implement Your Option Wrapper
LINQ XOrDefault Methods
Exercise: LINQ XOrDefault Methods
Separate Objects and Separate State
Exercise: Solve a Real NullReferenceException Issue
Wrap Up!
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Mastering NullReferenceException Prevention in C#
Exercise: LINQ XOrDefault Methods
Use FirstOrDefault() with safe defaults.
We'll cover the following...
NullReferenceException and FirstOrDefault()
NullReferenceException
and
FirstOrDefault()
...