# Nullable Value Type

A value type followed by ? that can also hold null.

## What is **Nullable Value Type** in C#?

**Nullable Value Type** — A value type followed by ? that can also hold null.

```csharp
class Delivery
{
    DateTime? deliveredOn = null;
}
```

Level: Journeyman · [More C# terms at this level](https://www.ask-codey.com/glossary/subjects/c-sharp/journeyman)

Updated: September 27, 2026

Source: https://www.ask-codey.com/glossary/nullable-value-type