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Hexaview Technologies Interview Experience (On-Campus)

Coding Interview Experience

by ishitajuneja

Are you looking forward to getting a job at Hexaview Technologies but are not aware of the fundamentals that will help you to crack the interview?

Preparing for an interview with such big companies can be stressful and chaotic without proper guidance.

 So, in this article, we will look at a few Hexaview Interview questions and a few tips about preparation. 

These tips are based on previous interview experiences, but it is not necessary that only these types of questions will be asked in interviews. Interview questions are pretty dynamic in nature.

This article is divided into 2 sections as follows:

  • Interview structure and 20 interview questions.
  • Tips for the preparation and the interviews.

I will guide you throughout the article and provide essential based on my experience to clear the interview: 


Interview structure and questions

The interview is divided into 4 rounds. The rounds are as follows:

  • Round 1: Coding Round [40 minutes, 2 coding questions]
  • Round 2: Technical Round-1 [75 minutes number of questions varies]
  • Round 3: Coding Round [40 minutes, 2 coding questions]
  • Round 4: Technical Round -2 [30 minutes, various questions can be asked]

These rounds and questions in them are designed to test your knowledge, application, and problem-solving skills. 

In my opinion, it is important to note that problem-solving skill is not just about solving the problem accurately but also doing it efficiently within a stipulated time frame.

Here are 20 Hexaview Interview questions that I believe will help you understand the nature of the questions that might be asked. 

  1. What is calloc or malloc in C?
  2. Why do we prefer using a Linked list over an Array?
  3. While overriding any method, what points regarding the access modifier need to be considered?
  4. What is polymorphism? What are the types of polymorphism?
  5. Is it possible to initialize member variables within a static block?
  6. Is the reduction of visibility of any inherited or overridden method possible?
  7. Explain the concept of a Binary Search Tree.
  8. In the case of sorting algorithms, which is considered the best?
  9. What is the process for reversing a string in Java?
  10. Using the method of recursion, print a Fibonacci series.
  11. How can all the elements in the array be summed up?
  12. What is the process for finding factorials of integers?
  13. Explain the concept, usage, and importance of Indexing DBMS.
  14. What is the procedure for implementing the insertion sort algorithm?
  15. How do we calculate the number of vowels and consonants of a string?
  16. What are the processes and criteria to determine whether a string is a palindrome?
  17. How is memory affected by variable declaration?
  18. What is the difference between linear and non-linear data structures?
  19. What are doubly linked lists?
  20. What concepts do OOPs consist of?

These are a few questions for your reference. From this, one can interpret that the nature of questions asked in these interviews is very dynamic. Hence, to answer all of them easily and confidently, it is important to have all your concepts clear. 


Tips for the preparation and the interviews

Now that you have understood the nature of questions, I will now highlight some essential tips that will enhance your preparation for the interview. It is important to note that these tips will only be applicable if your academic concepts are cleared. The tips I recommend will help you improve the quality of your answers and build your confidence. Be sure to implement!

Here is how you can answer hexaview interview questions with confidence and accuracy.

  • Be observant while answering:

Being aware of the situation around me has helped me to successfully crack several interview. Solving the question smartly is important. Observe and contemplate the nature of your questions. Consider all aspects and then answer. Do not hurry and give ‘almost accurate’ answers. 

  • Take time, do not hurry: 

To crack the interview successfully, I recommend aspiring candidates not to jump into conclusions easily. Give yourself enough time to consider possibilities. To be able to answer correctly and smartly, practice various questions randomly. Time your attempts and see if you are able to answer random unrelated questions efficiently within a given time. 

  • Build your basics: 

As I mentioned earlier, practice, confidence building, time management, etc., can only work when you already know all the concepts and just need to be quicker and smarter in answering. Knowing your concepts thoroughly will automatically result in a better answering speed. 

For this, visit and revisit your notes every few days and make changes based on what you learned during the week. Update, curate, and revise all concepts thoroughly. This particular point applies to all company interviews, even if you are going to attempt the optum coding questions

  • Build confidence through practice:

Keep trying to get better at time management and problem-solving. This factor has personally helped me significantly to grow and become an efficient working professional. Even if you are not able to solve the problems in the initial attempts, do not stop trying. 

Once you start practicing regularly, you will be able to answer questions quickly and perfectly as well. I recommend signing up for mock interviews and tests to help you understand the process of problem-solving better. Preferably solve questions from different sets so as to train your mind to think from various perspectives.

All of this will collectively build your confidence about your concepts and application as well. This will automatically help you avoid looking confused or underconfident during the interviews and also make you stand out among other candidates.

  • Be patient:

This applies to both preparation and the actual interviews. Be patient while practicing, do not rush. Being in haste to answer quickly will often make you choose the incorrect option. Also, being impatient while practicing will lead to discouragement due to not being able to answer in time. Time management can be developed through practice. 



The key to acing these interviews is patience and perseverance. These qualities, like efficient time management, clear concepts, and observation, can prove to be very helpful in getting a job in good companies. 

These were a few sample questions and tips to help you prepare for interviews. These tips are useful while attempting other tests like the Optum coding questions. We hope the contents of this article were beneficial for your preparation.

Also Read – How to Create ICO in a successful way?

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