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Update AV1010: Don't suppress compiler warnings using the new keyword #347

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dennisdoomen merged 1 commit into from
Mar 29, 2026
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Update AV1010: Don't suppress compiler warnings using the new keyword #347

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2 changes: 1 addition & 1 deletion _rules/1010.md
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Expand Up @@ -4,7 +4,7 @@ rule_category: class-design
title: Don't suppress compiler warnings using the `new` keyword
severity: 1
---
Compiler warning [CS0114](https://docs.microsoft.com/en-us/dotnet/csharp/misc/cs0114) is issued when breaking [Polymorphism](http://en.wikipedia.org/wiki/Polymorphism_in_object-oriented_programming), one of the most essential object-orientation principles.
Compiler warning [CS0114](https://learn.microsoft.com/en-us/dotnet/csharp/misc/cs0114) is issued when breaking [Polymorphism](http://en.wikipedia.org/wiki/Polymorphism_in_object-oriented_programming), one of the most essential object-orientation principles.
The warning goes away when you add the `new` keyword, but it keeps sub-classes difficult to understand. Consider the following two classes:

public class Book
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