android interview questions 17 memory management in android

Demystifying Android Memory Management: 17 Interview Questions to Ace Your Next Interview

Memory management is a crucial aspect of Android development, directly impacting app performance and stability. Understanding how Android handles memory allocation and garbage collection is essential for building efficient and robust applications. This article delves into 17 common interview questions related to Android memory management, equipping you with the knowledge to confidently navigate your next interview.

1. Explain the concept of garbage collection in Android.

2. What are the different garbage collector algorithms used in Android?

3. How does Android determine which objects are eligible for garbage collection?

4. What are the different memory heap sizes in Android?

5. How can you monitor memory usage in your Android app?

6. What are the common causes of memory leaks in Android?

7. Explain the concept of a memory leak and its impact on app performance.

8. How can you identify and debug memory leaks in your Android app?

9. What are some best practices for preventing memory leaks in Android?

10. What is the difference between a strong reference, weak reference, and soft reference?

11. How can you use references effectively to manage memory in your app?

12. What is the role of the Dalvik/ART virtual machine in memory management?

13. Explain the concept of memory fragmentation in Android.

14. How can you optimize your app to reduce memory fragmentation?

15. What are the different memory management tools available for Android developers?

16. How can you use the Android Profiler to analyze memory usage?

17. What are some common memory management challenges faced by Android developers?