Tech Mahindra Asssociate Software Engineer interview questions

I think the interviewer is from Non IT background So he don't know much about programming Although I explained the code he rejected me Prepare well and doing well that's all about my interview experience for fresher role

Tech Mahindra Interview 1. Introduction 2. C vs Java 3. Pillars of OOP 4. Pointers in C 5. Types of Inheritance in C++ & Java 6. Project Explanation 7. SQL Joins 8. SQL Aggregate Function 9. Types Of Data Structures 10. What is Dynamic Programming, why it is needed 11. Types of Dynamic Programming, which approach is best ? 12. How Backtracking is different from DP ? 13. What is Greedy Approach ? 14. What is API ? 15. Interfaces vs Abstract Class 16. JDBC Steps