> For the complete documentation index, see [llms.txt](https://trizen.gitbook.io/sidef-lang/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://trizen.gitbook.io/sidef-lang/programming_tasks/i/inheritance/multiple.md).

# Multiple

```ruby
class Camera {}
class MobilePhone {}
class CameraPhone << Camera, MobilePhone {}
```