HR Round Questions:--- Abstraction vs Encapsulation (ATM machine example) – “In context of an ATM machine, how would you explain abstraction and encapsulation?” Project Differentiation – “What is different in your project compared to others already available in the market?” Why hire you? – “Why should we hire you?” Self-reflection – “What are your strengths and weaknesses?” ------------------------------------------------------------------------ Technical Round Questions Error Handling in Projects – “How did you handle failures in the RazorPay payment gateway in your project?” SQL Query – “Write a SQL query to fetch all Customers even if they have not placed any Orders.” (LEFT JOIN/RIGHT JOIN expected) Data Structures – “What is a Binary Tree and how would you create it?” “What is an Array? If I want to store data of multiple types, what would you do?” “Reverse a Linked List.” Sorting & Complexity – “What is the Time Complexity of QuickSort, Selection Sort, MergeSort?” “Implement any one of the three sorting algorithms.” Leadership/SDLC – “If you were a leader in our organization, how would you initiate the Software Development Life Cycle (SDLC) of a project?”

(About my project)There are many such projects in the market, why did you choose it?