Esta me la pasó por escrito a través del chat: Can you explain how a mobile app should interact with a backend when performing operations that must be idempotent (e.g., sending a payment or submitting a form)? Please include how idempotency keys are generated, stored, and reused across retries.
Dictionary word searching and given the length of string, character that you have to find on perticular location
where the big object go in memory (which generation of memory), java vs kotlin collection, animation on button, payload in recycler view, dagger2 what is generated underhood for subcomponents..
Explain the workings of HashMap. How do you avoid concurrent updates to a variable in Kotlin?
Q: Solve a hashmap coding task
Deep Core Java,Major portion of Threads and Interface and Abstract Class.
AsycTask
Intent service
MvvM,RXJava
The test had several multi-choice questions and one coding challenge. This test had a time constraint. Technical Android interview had usual and mandatory questions about Android development. Nothing special. The System Design interview demanded designing a backend for a certain functionality of a mobile app. Yes, given the target position is Android dev, exactly the backend skills were assessed during this session.
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