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Android development Trainee
Bajaj Finserv Ltd.
4 rounds | 7 Coding problems
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Interview preparation journey
Preparation
Duration: 3 months
Topics: Data Structures, Algorithms, OOPS, Android fundamentals, Kotlin fundamentals, My project revison.
Tip

Tip 1 : Having at least one project on android will give you an upper edge.
Tip 2 : Project should be live.
Tip 3 : Learn about APIs, as first round would be an API based round.

Application process
Where: Campus
Eligibility: No backlogs
Resume tip

Tip 1 : Do not put any project not done by you in your resume
Tip 2 : Put role specific projects. For eg- for android role, don't put Machine Learning projects, it won't help.

Interview rounds
01
Round
Easy
Assignment
Duration60 Minutes
Interview date10 Aug 2021
Problems1
Application Question

We were given an API link on which we had to send our data(name, branch, college etc) as request headers along with the binary of the code file as the request body. We had to send a PUT request to the given API. Maximum 10 attempts were allows to hit the API. You can use any programming language.

Problem approach

I coded in javascript using basic XMLHttpRequest to send the PUT request. Also i linked the js script to html file to trigger API call on button click and to use browser installed APIs for XMLHttpRequest.

02
Round
Easy
Online Coding Interview
Duration60 Minutes
Interview date10 Aug 2021
Problems2
Partition a set into two subsets such that the difference of subset sums is minimum.

#### You are given an array containing N non-negative integers. Your task is to partition this array into two subsets such that the absolute difference between subset sums is minimum.

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Majority Element lll

#### You are given an array ‘ARR’ and another integer number ‘K’. Your task is to find the all elements of ‘ARR’ which occur more than or equals to ‘N/K’ times in ‘ARR’ and ‘N’ is the length of array ‘ARR’.

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03
Round
Easy
Video Call
Duration35 Minutes
Interview date11 Aug 2021
Problems4
Technical Questions

He then asked me if I have done any Android projects. I did 2 projects on android, I told him in detail about my password manager app which is now live on Google Play Store (at time of interview it was not published). The interviewer seemed satisfied with my project work.

What are the type of intents in android?

What is the difference between Activity and Fragments?

Remove Duplicates

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Swap Two Numbers

#### Take two numbers as input and swap them and print the swapped values.

##### Input Format:
``The first line of input contains a single integer 't', representing the total number of te...``
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Reverse the String

#### For example:

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04
Round
Easy
HR Round
Duration10 Minutes
Interview date12 Oct 2021
Problems0
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