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Common Coroutine Interview Questions 📝

Android Dev Nexus
5 min readOct 10, 2024

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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.

Android Dev Nexus
Android Dev Nexus

Written by Android Dev Nexus

Your friendly neighborhood developers working at PayPal, turning Android fundamentals into concepts you’ll actually understand.

Responses (3)

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A worthy quick revision ✌️

I really hope the coroutine spirits stay with me 👏🏻👏🏻

Ah, I have my interview next week. Thank you for the blog 😭😭