Hexaview Technologies Interview Experience for MTS (On-Campus)

Total Rounds – 4, Eligibility Criteria – 60% throughout

Round 1:  Online Assessment: The assessment was conducted on the Eklavvya Platform, The Assessment will comprise 3 sections:

• Aptitude Section – 10 Questions
• Logical Section – 10 Questions
• Technical Section – 20 Questions
• The assessment Duration was 40 minutes

Round 2: Technical + Coding Interview

Coding Question 1 (Easy): Maximum Sum Contiguous Subarray https://www.geeksforgeeks.org/problems/kadanes-algorithm-1587115620/1

• OOPS – Classes and Objects, 4 Pillars of OOPS, Function Overloading, Constructor and its Types, Polymorphism and its Types, Access Specifiers, etc
• DBMS – ACID Properties, Keys(Primary, Candidate, Super), Query to find 2nd Largest Number, Query to Perform Join Operation, Primary key and Unique Constraints, etc
• Data Structure – Time Complexity of – Insertion at beginning/end/middle of Linked List and Array, Heap, Difference between Graph and Tree

The interview Duration was 50 minutes

Round 3: Technical + Coding Interview

• Coding Question 1 (Medium) : Group Anagrams  https://leetcode.com/problems/group-anagrams/
• Coding Question 2 (Hard): Minimum Amount of Time to Fill Cups in O(1) Time  https://leetcode.com/problems/minimum-amount-of-time-to-fill-cups/
• OOPS – Polymorphism, Implementation of Multi-level inheritance with code (Questions about internal working), Make Custom Exception in Java, Difference between final, finally and finalize, etc 
• DBMS – ACID Properties, Query to Create a table with Given Constraints, Query to Fetch Salary by joining 2 tables, Stored Procedures, Triggers, Types of Joins, etc
• Data Structure – Stack and Queue, Create Linked List, Middle Node of Linked List in Single Traversal, Create Binary Tree and find Inorder, Tree Traversal Techniques, Graph Traversal Techniques, etc
• Puzzle 1 – Measure 4 Litres of water using 3 Litre and 5 Litre Container http://puzzles.nigelcoldwell.co.uk/twentytwo.htm

The interview Duration was 100 minutes.

Round 4: Managerial Round: Detailed discussion about projects, JDK, Multithreading, Constructor, Binary Tree, etc.

Puzzle 1: https://www.geeksforgeeks.org/puzzle-7-3-bulbs-and-3-switches/

Puzzle 2: https://www.wyzant.com/resources/answers/90829/a_lily_pad_is_growing_in_a_pond_and_it_doubles_in_size_every_day_after_30_days_it_covers_the_entire_pond_on_what_day_does_it_cover_half_pond

Received Selection Mail after 3 – 4 days, and I was offered the Application Engineer Role according to performance in the Interview.