Avoid protected members in sealed class

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Metadata

ID: csharp-best-practices/sealed-class-protected-members

Language: C#

Severity: Info

Category: Best Practices

Description

While authorized by the compiler, protected visibility in sealed classes does not make sense as these classes cannot be inherited. Use public or private instead.

Non-Compliant Code Examples

public sealed class MyClass {
    protected int foo;

    protected void myMethod() {
        
    }
}

Compliant Code Examples

public sealed class MyClass {
    private int foo;

    private void myMethod() {
        
    }
}