Hexaview Technologies Interview Experience (Off-Campus)

I was interviewed with Hexaview Technologies. I asked HR of the company for the referral and after 2 weeks she finally replied after analyzing my resume that I will be informed via mail about Coding Assessment Test. After two days Coding Round was conducted on Skype.

Round 1: Coding Assessment Test

Questions asked in this round are listed below-

1. https://www.geeksforgeeks.org/stock-buy-sell/
2. Find the middle word from the given sentence (In the case of an even number of words in a sentence print the word with maximum length out of two middle words).

After the coding round, I got the call from HR that I have been selected for the next rounds of Technical Interviews

Round 2: Technical Round 1

Questions asked in this round are listed below-

• Give a brief introduction about yourself.
• Asked about the major projects.
• What is object-oriented programming and why it is used?
• What are four pillars of object-oriented programming?
• Give real-world examples where Abstraction, Polymorphism, Inheritance, and Encapsulation can be used.
• Difference between Errors and Exceptions.
• Difference between Method Overloading and Method Overriding.
• Can the Main method be overloaded?
• What is HashMap?
• How will you store phone numbers using HashMap if some of the names in contacts are the same?
• Live Coding (Using any IDE): Reverse a given sentence.
• What are select, update, insert and delete commands in SQL?
• What is the primary key?
• What is a foreign key?
• What is a view in the database?
• https://www.geeksforgeeks.org/puzzle-set-35-2-eggs-and-100-floors/
• At last as usual “Have you any question for me”?

After the first round of technical interviews, I got a call from HR for the Second Round of interviews.

Round 3: Technical Round 2

Question asked in this round are listed below-

• Introduce yourself.
• Describe the best project that you have done.
• How did you use an API?
• How firebase is integrated with flutter applications?
• https://www.geeksforgeeks.org/puzzle-4-pay-an-employee-using-a-gold-rod-of-7-units/
• https://www.geeksforgeeks.org/reverse-words-in-a-given-string/
• https://practice.geeksforgeeks.org/problems/total-decoding-messages1235/1
• Sort the given Linked List.
• Delete a node in the linked list if you have access to only that node that is to be deleted.
• Which data structure will you suggest for the insertion and deletion of an element at any position?
• What is the difference between correlated and non-correlated subqueries?
• What is Normalization in DBMS?
• What are 1NF and 2NF?
• The interviewer asked me to normalize the given table that he dictated.
• Find the fifth-highest marks from a table containing data of students and their marks.
• Any questions for me.

After the Second round of interviews, I got the message from HR on Skype that my third round of interviews will be in the evening.

Round 4: Technical Round 3

Questions asked in this round are listed below-

• Tell me about yourself.
• Go through your best project.
• What are the differences between Is-A relationship and Has-A relationship?
• Difference between Abstraction and Encapsulation.
• Difference between Abstract Class and Interface.
• Difference between throws and throws.
• What is stack and queue with real-life examples?
• Difference between a queue and de queue.
• What is a priority queue?
• Difference between binary tree and binary search tree.
• Draw a binary search tree.
• What is a circular linked list?
• Insert a node at a particular position in the doubly linked list.
• Write code for InOrder, PreOrder, and PostOrder traversal of Binary Tree.
• Find the middle node in a circular linked list.
• Difference between Delete and Truncate command.
• What are aggregate commands in SQL?
• Which SQL command will you use to find a pattern from the given text?
• Write SQL query to find the minimum salary of employees from each department.
• What is a trigger in SQL?
• What are ACID Properties?
• Any questions for me.

After this round, I got a call from HR for HR Round.

Round 5: HR Round

• Started with introductions and some behavioral questions.
• About family members.
• About role and responsibilities.
• Strength and Weakness.
• Where do you see yourself after five years?
• Some Situation based questions.
• Any questions for me.

Verdict: Selected.

Tips :

• Go through the easy to medium level puzzles on geeks for geeks.
• Develop the habit of explaining things with real-world examples.
• Keep brushing up things related to DSA, OOPs, DBMS and SQL.

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