Real Interview Questions
HCL Technologies Interview Questions (Real, Asked)
16 real questions candidates were actually asked at HCL Technologies interviews. Practice any of them out loud with Roundd AI and get instant feedback — free, no signup.
Practice these questions with AI feedback →- 1.
Why HCL?
Software Engineer · HR
- 2.
Explain the pillars of OOPs with real-world examples.
Software Engineer · Technical
- 3.
What is the difference between final, finally, and finalize?
Software Engineer
- 4.
What is symmetric vs. asymmetric cryptography? Explain AES, DES, and RSA.
Software Engineer · Technical
- 5.
How do you handle exceptions in a web application using PHP?
Software Engineer
- 6.
Reverse a string in any language.
Software Engineer
- 7.
What is a static class, and can a class be static?
Software Engineer
- 8.
Can a constructor be private?
Software Engineer
- 9.
What is the difference between overloading and overriding?
Software Engineer
- 10.
How many try blocks can you have while handling an exception?
Software Engineer
- 11.
What is the difference between abstraction and encapsulation?
Software Engineer
- 12.
What is SQL, and how is it different from MySQL?
Software Engineer
- 13.
What are constraints in SQL, and what are their types?
Software Engineer
- 14.
What are joins, and where do we use them?
Software Engineer
- 15.
Explain the ACID properties.
Software Engineer
- 16.
What are deadlocks? Give a real-life example and explain how you would avoid one.
Software Engineer