HCL Technologies interview experience Real time questions & tips from candidates to crack your interview
SDE - 1
HCL Technologies
2 rounds | 9 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 3
Topics: Data Structures, Algorithms, System Design, Aptitude, OOPS
Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at least 2 good projects and you must know every bit of them.
Application process
Where: Other
Eligibility: Above 7 CGPA
Tip 1 : Have at least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Interview rounds
01
Round
Easy
Video Call
Duration90 minutes
Interview date1 Feb 2022
Coding problem8
This round started with a very basic coding question related to strings followed by some questions from OOPS, Cryptography and Computer Networks
1. OOPS Question
What is Abstraction?
2. OOPS Question
What is Overloading and Overriding?
3. OOPS Question
Can Constructor be declared private ?
4. Cryptography Question
What is Symmetric and Asymmetric Encryption?
5. Cryptography Question
Explain AES, DES and RSA Encryption Algorithms.
6. Computer Network Question
Compare between TCP and UDP
7. Computer Network Question
Differentiate OSI Reference Model with TCP/IP Reference Model
8. Reverse the String
Easy
15m average time
85% success
0/40
Asked in companies
You are given a string 'STR'. The string contains [a-z] [A-Z] [0-9] [special characters]. You have to find the reverse of the string.
For example:
If the given string is: STR = "abcde". You have to print the string "edcba".
follow up:
Try to solve the problem in O(1) space complexity.
02
Round
Easy
HR Round
Duration30 minutes
Interview date2 Feb 2022
Coding problem1
This was a Technical Cum HR round where I was first asked some basic Java related concepts and then we discussed about my expectations from the company, learnings and growth in the forthcoming years. I would suggest be honest and try to communicate your thoughts properly in these type of rounds to maximise your chances of getting selected.
1. Basic HR Questions
1) Why should we hire you?
2) What are your expectations from the company?
3) How was your overall interview experience?
4) What are your strengths and weakness according to you?
5) Where do you see yourself in the next 5 years?
Problem approach
Tip 1 : The cross-questioning can go intense sometimes, think before you speak.
Tip 2 : Be open-minded and answer whatever you are thinking, in these rounds, I feel it is important to have an opinion.
Tip 3 : The context of questions can be switched, pay attention to the details. It is okay to ask questions in these rounds, like what are the projects currently the company is investing in and which team you are mentoring, how is the work environment etc.
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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