The interview was quite good. There were three rounds: two technical and one HR.

The first technical round involved writing down code for questions they provided. The second was purely based on the resume. If you proceeded to the HR round, you were selected.

1. Introduce Yourself?

2. What is a Data Structure? List the types of Data Structures.

3. What is a Linked List?

4. What is an Array?

5. What is the difference between an Array and a Linked List?

6. What is an ArrayList?

7. What is the difference between an ArrayList and a LinkedList?

8. What are Collections in Java?

9. Write a program to find the highest repeated character in a string.

10. Write the same program by reducing time complexity.

11. What are ACID Properties? Explain Atomicity with an example.

12. Write a SQL query to create a database, a student table, and insert values.

13. Print the student details who have marks more than 70.

14. About Joins.

15. About SDLC.

16. What is Normalization?

17. What are the types of Normalization? Explain in detail.

18. What is Testing? Types of Testing. Explain in detail.

19. Difference between Process and Threads.

20. Difference between Multithreading and Multiprocessing.

21. Introduce Yourself?

22. Explain your projects. (Detailed explanation is required)

23. What are the four pillars of OOP and Why?

24. Explain polymorphism with an example.

25. What are functional and non-functional requirements?

26. Why Oracle?

27. Why should we hire you?

28. Do you have any questions?