I was given a problem involving an integer array, and the goal was to transform it in a way that required careful thought about time and space optimization. While discussing my solution, I suggested using a hashmap for optimization (which is wrong to begin with), which led to a follow-up question about how hashmaps work internally and I couldn't answer it.
How many years of experience?
1. Difference between Val and Var 2. MVVM 3. Scope function name 4. How to create nullable variable
Fi this recyclerView, do some data processing
Where is the database initialised in an MVVM design pattern?
MVVM architecture and benifit over MVP , lifecycle related questions, Retrofit, db ect
How would you design the architecture of payments ? ( A scenario was given to me )
Design round 1 . Image downloading 2 . LRU cache
What is the right way to do X ?
This was a deep-dive into Android fundamentals, Jetpack Compose, Kotlin language features, and architectural best practices. The interviewer focused on real-world problem-solving and expected production-level thinking, which made the round both challenging and engaging.
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