# Default Interface Method

An interface member with an implementation inherited by implementing types.

## What is **Default Interface Method** in C#?

**Default Interface Method** — An interface member with an implementation inherited by implementing types.

```csharp
interface IPrintable
{
    string Format()
    {
        return "Ready";
    }
}

class Ticket : IPrintable
{
}
```

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/default-interface-method