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Hexaview Technologies Interview Experience (On-Campus)

  • Difficulty Level : Medium
  • Last Updated : 02 Nov, 2021

There was a total of 5 rounds, The eligibility criteria for the hiring process was CGPA 7+ or 70% throughout.

Round 1: Coding Round

There were 2 coding questions (easy) conducted on skype. The duration of the round was 40 minutes.

  • Given two arrays, Array1 and Array2, of equal size S, the objective is to track down the least  value of Array1[0] * Array2[0] + Array1[1] * Array2[1] +…+ Array1[S-1] * Array2[S-1]. Shuffling of elements of arrays are allowed.
  • Given an array Numbers[] and a number N, display for all pairs in Numbers[] with a difference as 2N
  • It was an easy round but there were a few things that most people didn’t notice and couldn’t move to the next rounds, like return type and variable naming.

Tips: Be very active and observe every detail very carefully, don’t hurry and jump on a solution.

  • I cleared the first round and the next day received a mail for the next coding rounds

Out of 181 students, 28 were selected for the next round.

Round 2: Coding Round

This round was 15 minutes round on skype where I was given a question (easy) and was allowed to use notepad only.

  • Given a number N, find all numbers from 0 to “N” having an occurrence of a digit “D”, where N>0 & 0<=D<= 9
  • I wrote the code and explained my approach.
  • Got selected and received a call for the next technical rounds after few hours.

Round 3: Technical Interview

This round was 55 minutes round on skype where I was asked questions from OOPS, DBMS, DSA.

  • Interviewer: Explain OOP.
  • Me: Explained.
  • Interviewer: What is Abstraction?
  • Me: Explained with example.
  • Interviewer: What is Polymorphism?
  • Me: Explained with both types.
  • Interviewer: Explain the virtual function, friend class, an abstract class?
  • Me: Explained.
  • Interviewer: What is Inheritance and explain multi-level inheritance?
  • Me: Explained.
  • Interviewer: What are data structures and why do we need them?
  • Me: Explained.
  • Interviewer: Different types of keys and differences between Primary key and Unique key.
  • Me: Explained.

create table Course( 
Name varchar(255), Roll No int PRIMARY KEY, Course varchar(255) 
) ; 
insert into Course Values(“Kshitiz”,”21″,”Maths”); 
create table Student( 
student id int PRIMARY KEY ,name varchar(255), roll no int, marks int, 
FOREIGN KEY(roll no), REFERENCES student(roll no) 
); 
Fetch the student id who are enrolled in Maths.

  • Interviewer: Perform SQL query
  • Me: Explained.
  • Interviewer: What is an interface in C++?
  • Me: I was not sure so I honestly told her I’m not sure.
  • Coding question.
  • Interviewer:  Check if the given array is sorted or not using recursion.
  • Me: Explained and gave the solution.
  • Coding question.
  • Interviewer:  Explain and implement stack.
  • Me: Explained and gave the solution.
  • Interviewer:  Explain the difference between stack and queue
  • Me: Explained and with examples.
  • Interviewer:  Explain Normalization, 1NF, 2NF, 3NR.
  • Me: Explained and with examples.
  • Interviewer:  Explain  Partial dependency and Transitive dependency.
  • Me: Explained.
  • Interviewer:  Explain prime attributes.
  • Me: Explained.
  • Cleared this round and received a call for the next Technical round the next day.

Round 4: Technical Round

This was 20 minutes technical round on skype.

  • Interviewer:  Difference between array and set.
  • Me: Explained.
  • Interviewer:  Why do you want to join Hexaview?
  • Me: Answered.
  • Interviewer:  Which language do you prefer C++/ Java?
  • Me: Answered.
  • Coding question (easy).
  • Interviewer:  Add two numbers without using the + operator. Explain the logic for this question.
  • Me: Explained.
  • Cleared this round and received a call for the next HR round.

Round 5: HR Round + Technical

  • It was 62 minutes round on skype.
  • Coding question (easy-medium).
  • Interviewer:  Code this pattern question within 15-20 minutes.
  • Me: Explained and gave the solution.
  • Puzzle question (medium-difficult).
  • Interviewer:  Gave a puzzle question.
  • Me: Tried but couldn’t solve it. He explained.
  • Interviewer:  Explain DDL, DML commands
  • Me: Explained.
  • Interviewer:  Write a query to fetch the third maximum salary.
  • Me: Explained.
  • Interviewer:  Any questions from your side.
  • Me: I asked two questions.
  • He asked few more questions mostly from DBMS.
  • Result: Selected
  • Successfully cleared this and received mail after 7 days.

TIP: Be clear with fundamentals (DBMS, OOP, DSA, CN) and read about the company before your interview.

I hope it will help you.

Thank you

Vartika Shakya

My Personal Notes arrow_drop_up
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