Common Coroutine Interview Questions 📝

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Hello you genius devs! 👩🏻‍💻

Welcome to yet another exciting blog of our ongoing Android Interview Prep series! 🚀 Our goal is to boost your confidence and arm you with the important questions to help you ace your Android interviews. Today, let’s dive into common coroutine-related interview questions.

1. What are Coroutines and Why Use Them?

This is a foundational question. You can answer it like this:

“Coroutines are lightweight threads used for asynchronous programming in Kotlin. They are used to write non-blocking code, which improves performance and responsiveness, especially in Android apps. Coroutines help eliminate callback hell and make code easier to read and maintain.”

💡 Pro tip: Mention that coroutines are a key feature in Android development, making network requests and database operations smooth.

2. Explain launch vs async in Kotlin Coroutines.