Campus Interview Preparation 2026
Get interview ready with AI-powered mock practice & real questions.
Explore frequently asked interview questions for HCLTech campus placement.
Question 1 / 25
Question 1
One candidate reported that interviewers asked to Valid palindrome igno…
Question 2
A common OA question at HCLTech is to Merge two sorted arrays without e…
Question 3
Candidates were asked to Detect loop in linked list — Floyd cycle detec…
Question 4
A recurring screen item at HCLTech: Reverse a singly linked list in-pla…
Question 5
Campus hire notes highlight: Find first non-repeating character in stre…
Question 6
A panel at HCLTech reused this prompt: Check balanced parentheses strin…
Question 7
In a recent interview, Implement atoi with overflow rules — defensive p…
Question 8
In a recent 2025 campus drive for HCLTech, Two sum with hash map — base…
Question 9
A recurring screen item at HCLTech: Print spiral matrix — boundary shri…
Question 10
One candidate reported that interviewers asked to Calendar: what day of…
Question 11
A common OA question at HCLTech is to Boats stream problem with differe…
Question 12
Candidates were asked to Data sufficiency: Is integer n prime? — two st…
Question 13
A recurring screen item at HCLTech: Ratio ages puzzle with 5-year shift…
Question 14
Interview debriefs from 2025–26 mention: Profit-loss: successive discou…
Question 15
Hiring managers at HCLTech frequently open with: Time & work: A does in…
Question 16
In a recent interview, OOP pillars with one real project mapping each —…
Question 17
A panel at HCLTech reused this prompt: Explain REST idempotency for PUT…
Question 18
Campus hire notes highlight: Basics of indexing in DB — clustered vs no…
7 more …
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