> For the complete documentation index, see [llms.txt](https://android-course.cornellappdev.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://android-course.cornellappdev.com/chapters/5.5-concurrency.md).

# 5.5 Concurrency

- [5.5.1 Coroutines](https://android-course.cornellappdev.com/chapters/5.5-concurrency/7.2-coroutines.md): A coroutine is a concurrency design pattern that you can use on Android to simplify code that executes asynchronously.
- [5.5.2 Implementation of Coroutines](https://android-course.cornellappdev.com/chapters/5.5-concurrency/8.3-implementation-of-coroutines.md)
- [5.5.3 Coroutines with Networking Calls](https://android-course.cornellappdev.com/chapters/5.5-concurrency/8.4-coroutines-with-networking-calls.md)