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Sr Android Developer Interview Questions
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errors and exceptions, volatile keyword, hashmap collision, process death, all basics of Kotlin, jetpack library, compose, internal working of ViewModel, etc.
The interviewer started with Java questions like error vs exceptions, volatile keyword and its use, and multithreading. He then asked a lot of kotlin questions and android questions for 1.5 hour. In the last 5 min, he asked me to write kotlin code to find list of duplicate elements in an array.
heap memory, Shared view model, thread safety, Sync, Set & Post, Raw query in Room DB, MVVM, Clean architecture, Code coverage, Jetpack components like Work manager, and View Model. Architecture patterns, Kotlin functions like higher-order, and inline.
Explain mvvm architecture with example
The questions were like this : What is AIDL? Reverse the string in java without using reverse method and use recursion? An array is there find the index where the left hand side sum is equal to the right hand sum? What is intent filter? can we run httpclient on main thread? components of android architecture? fragment lifecycle?
How much is your expectation?
Find some pattern of digits involving factors and multiples. Time performance matters.
What is sticky intent and in what scenario is it used ?
Technical round and HR round
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