They aren’t “entirely different feature”. Why do you think C#8 introduced Nullable reference types that work exactly like Java Optional ? https://docs.microsoft

They aren’t “entirely different feature”. Why do you think C#8 introduced Nullable reference types that work exactly like Java Optional ? https://docs.microsoft.com/en-us/dotnet/csharp/nullable-references https://docs.microsoft.com/en-us/dotnet/csharp/nullable-refe...