BlueStacks Member Technical Staff Interview Questions and Answers

Conducted on Interviewbit. Easy to Medium level DSA questions

Q1. Virtual Functions in C++
Ans. 
Virtual functions in C++ allow for dynamic binding and polymorphism.
• Virtual functions are declared in a base class and can be overridden in derived classes.

• They allow for dynamic binding, meaning the function to be called is determined at runtime.

• Virtual functions enable polymorphism, where objects of different classes can be treated as objects of a common base class.

• Example: class Animal { virtual void speak() { cout ...read more
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Q2. Java Reflection and how it works
Ans. 
Java Reflection is a feature that allows a program to examine or modify its own structure at runtime.
• Java Reflection provides a way to inspect and manipulate classes, methods, fields, and constructors at runtime.

• It allows you to access private fields and methods, bypassing encapsulation.

• You can dynamically create instances of classes, invoke methods, and access fields using Reflection.

• Example: Class clazz = Class.forNa...read more
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Q1. Basic concepts of react and angular
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Basic Questions and Riddles

Round duration - Max 2 days for submitting release version of the assignment
Round difficulty - Medium

Round duration - 60 Minutes
Round difficulty - Medium

The first round started with some questions over fundamentals of DSA , following with 2 coding questions (live) and discussion over them after my solution. Since I had past experience over Android , there were few questions on Android App Lifecycle as well Flutter App Lifecycle and difference between the two.
Timing : 5-6 pm
About the interviewer : He was really calm and friendly throught the interview and I learnt few points as well from him.

Q1. 
Move Zeroes to End
Given an unsorted array of integers, adjust the array such that all zeroes are moved to the end while preserving the order of non-zero elements.
Input:
The input provided consists of ...read more
Ans. 
Count the number of zeros while traversing the array ,counting and erasing at the same time & then using another for loop populate the counted no of zeros at the end.
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Round duration - 60 Minutes
Round difficulty - Medium

This round was more specific to my Mobile App Development Skills. I was asked about experiences in my various internships and questions about apps developed during that period. Since my apps were developed on Flutter, thereafter, I was questioned on concepts of Flutter and a few scenarios to which I had to provide a solution.
Timing : 1:30 - 2:30 pm
About the Interviewer: She was really friendly throughout the interview and suggested a few learning points as well.

Round duration - 60 Minutes
Round difficulty - Medium

This round was mostly based on overall problem solving and conceptual knowledge. I was asked questions on various topics such and SDLC , Networks and DBMS. The discussion continued on network related scenarios.
Timing : 5-6pm
About Interviewer : Great Knowledge and deep understanding of the concepts.

Round duration - 30 Minutes
Round difficulty - Easy

HR round was fun. We had a great conversation, and at last, she congratulated me on confirmation of my employment.
Timing : 7:30 to 8:00 pm

As an automation Engineer, it was the task related to automate and fetch some data from the UI.

Q1. The interview was completely based on automation testing. Questions were inclined towards the assignment which we have submitted and around it.
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Q1. This was based on programming knowledge and logic implementation
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Q1. Why are you looking for a change?
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Q2. Share details of your previous job.
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Q3. What is your family background?
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Q4. What are your salary expectations?
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Q5. Tell me about yourself.
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