# String Interpolation

Building a string by placing expressions inside braces in a string beginning with $.

## What is **String Interpolation** in C#?

**String Interpolation** — Building a string by placing expressions inside braces in a string beginning with $.

```csharp
class Order
{
    string Describe(string item, int count)
    {
        return $"{count} cups of {item}";
    }
}
```

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

Updated: September 27, 2026

## In other subjects

- [String Interpolation in Java](https://www.ask-codey.com/glossary/string-interpolation)
- [String Interpolation in JavaScript](https://www.ask-codey.com/glossary/string-interpolation-javascript)

Source: https://www.ask-codey.com/glossary/string-interpolation-c-sharp