HCLTech Application Development Associate Interview Questions and Answers

Round duration - 135 minutes
Round difficulty - Medium

This round has 2 stages : (Both were elimination rounds)
1) Cognitive & Technical Assessment 
2) Coding Assessment

Upon only clearing Cognitive & Technical Assessment , candidate will be eligible for further rounds.

1) Cognitive & Technical Assessment : (90 mins)
This section contains questions from English Ability, Analytical Reasoning , Numerical Ability , Pseudo coding, Common Application and MS Office, Fundamentals of Networking, Security and Cloud.

2) Coding Assessment : (45 mins)
You are eligible for this round only if you cleared Cognitive & Technical Assessment.
It has 2 coding questions 1 simple and 1 moderate level.

Languages you can use : C, C++, Java, Python, Dot net.

Q1. Sum of even & odd
Write a program to input an integer N and print the sum of all its even digits and sum of all its odd digits separately.
Digits mean numbers, not the places! That is, if the given intege...read more
Ans. Space Complexity: O(1)Explanation: Time Complexity: O(1)Explanation:
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Q2. Evaluation of postfix expression
An expression is called the postfix expression if the operator appears in the expression after the operands.
Example :
Infix expression: A + B  *  C - D 

Postfix expres...read more
Ans. Evaluation of postfix expression.
 The idea is to use a stack to store the operands. Whenever an operator is encountered, we pop the top two numbers from the stack, perform the operation and push the result back to the stack. Finally, when the traversal is completed, the number left in the stack is the final answer.
 
1. Create a stack to store the operands.
2. Scan the given expression from left to right. For every sc...read more
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Round duration - 30 minutes
Round difficulty - Medium

Communication Assessment: (Virtual HR Round)
1) Sentence Mastery
2) Vocabulary
3)Fluency 
4) Pronunciation

Total Questions: 20

Round duration - 20 Minutes
Round difficulty - Easy

Timing : 3:00 to 3:20 Pm
There was one interviewer.
1) Started with introduction.
2) Asked about projects mention in the resume.
3) Favorite subjects during academics. How do you tackle tough subjects?
4) Two to three questions on select statements. 
5) Difference between foreign key and primary key.