Make class static (ARCH711)

Key dotnet.codequality.make-class-static · Severity info · Category codequality

A class that holds only static members is meaningless to instantiate. Making the class static prevents misuse at compile time.

Incorrect

public class MathHelper
{
    public static int Square(int x) => x * x;
}

Correct

public static class MathHelper
{
    public static int Square(int x) => x * x;
}

Fix

Add the static modifier to a class that contains only static members.