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HCLTech Technical Lead Interview Questions and Answers
112 Interview questions
Java code to print the repeated letters in a given name/words
Iterate through each character in the input string
Use a HashMap to store the count of each character
Print the characters with count greater than 1
Java code to print all the zeros at the end of the array
Iterate through the array from the end
Check if the element is '0'
Print the element if it is '0'
Cucumber is a BDD framework that allows writing test cases in simple English sentences.
Uses Gherkin syntax to write feature files in plain English
Supports automation testing for behavior-driven development
Integrates with various programming languages like Java, Ruby, etc.
Helps in collaboration between technical and non-technical team members
Identifying columns in a file involves analyzing the structure and format of the data to extract meaningful information.
Check the file format (CSV, TSV, etc.) to determine how columns are separated.
Look for header rows that typically contain column names.
Use data parsing libraries (e.g., pandas in Python) to read and identify columns programmatically.
Examine the first few rows of data to infer column types and rel...
Led multiple software projects, focusing on scalable architecture and team collaboration to deliver high-quality solutions.
Developed a microservices architecture for an e-commerce platform, improving scalability and reducing downtime.
Implemented CI/CD pipelines using Jenkins and Docker, which decreased deployment time by 40%.
Managed a team of 8 developers, fostering a collaborative environment that enhanced produc...
To find the coordinates of an item in a file, we can use various methods depending on the file type and structure.
1. Read the file line by line to locate the item.
2. Use a search algorithm (e.g., binary search for sorted files).
3. Maintain a mapping of item positions if the file is large.
4. Example: For a CSV file, use a library to parse and find the index.
A program demonstrating multithreading in Java
Create a class that extends Thread or implements Runnable interface
Use the start() method to begin execution of a thread
Synchronize shared resources to avoid race conditions
str.equals compares the content of two strings, while == compares the memory address of the strings.
str.equals compares the actual content of two strings, while == compares the memory address of the strings.
str.equals is a method of the String class in Java, while == is an operator for comparison.
Example: String str1 = 'hello'; String str2 = 'hello'; str1.equals(str2) will return true, but str1 == str2 will return...
Scenario outlines in BDD allow for parameterized tests, enhancing reusability and clarity in behavior specifications.
Scenario outlines define a template for multiple scenarios with varying inputs.
Example: Given a user with a role, when they access a page, then they see specific content.
Data tables can be used to provide different inputs for the same scenario outline.
Example: Scenario Outline: User login with <u...
XPath is a query language for selecting nodes from an XML document, useful for web scraping and automation.
XPath syntax uses path expressions to navigate through elements and attributes in XML.
Example: To select the search bar on Amazon, use: //input[@id='twotabsearchtextbox']
You can select multiple elements using: //div[contains(@class, 's-main-slot')]//h2
XPath supports various functions like text(), contains(), ...
HCLTech Technical Lead Interview Experiences
200 interviews found
Chandan Kumar Sahoo
(2 Questions)
- Q1. What is polymorphism
- Ans.
Polymorphism is the ability of a function or method to behave differently based on the object it is acting upon.
Polymorphism allows objects of different classes to be treated as objects of a common superclass.
It enables a single interface to be used for different data types or classes.
Examples include method overloading and method overriding in object-oriented programming.
- Q2. What is method overriding
- Ans.
Method overriding is a feature in object-oriented programming where a subclass provides a specific implementation of a method that is already provided by its parent class.
Occurs in inheritance when a subclass provides a specific implementation of a method that is already provided by its parent class
The method in the subclass must have the same name, return type, and parameters as the method in the parent class
Allows fo...
(2 Questions)
- Q1. What is interceptor
- Ans.
An interceptor is a design pattern commonly used in software development to capture and manipulate incoming and outgoing requests.
Interceptors can be used for logging, authentication, authorization, error handling, and more
In Angular, interceptors can be used to modify HTTP requests before they are sent to the server
In Spring framework, interceptors can be used to intercept client requests and server responses
- Q2. What is filter in spring
- Ans.
A filter in Spring is a component that intercepts incoming requests and outgoing responses, allowing for pre-processing and post-processing.
Filters are used for tasks such as logging, authentication, authorization, and more
Filters can be configured in the Spring application context
Examples of filters in Spring include CharacterEncodingFilter, HiddenHttpMethodFilter, and CorsFilter
(2 Questions)
- Q1. What is your contribution
- Ans.
My contribution as a Technical Lead includes leading a team, providing technical guidance, resolving technical issues, and ensuring project success.
Leading a team to achieve project goals
Providing technical guidance and mentorship to team members
Resolving technical issues and challenges
Ensuring project success through effective planning and execution
- Q2. What have you done in your project
- Ans.
I have led a team in developing a new feature for our product, involving designing, coding, testing, and deployment.
Led a team in developing a new feature
Designed the architecture for the feature
Coded the functionality using Java and Spring Boot
Tested the feature using JUnit and Mockito
Deployed the feature to production environment
(2 Questions)
- Q1. How soon can you join
- Ans.
I can join within 2 weeks.
I can start within 2 weeks of receiving an offer.
I need to give notice to my current employer.
I may need time to relocate if necessary.
- Q2. How was your last interview
- Ans.
My last interview went well, I was able to showcase my technical skills and experience effectively.
Prepared thoroughly by reviewing common technical interview questions
Highlighted my experience leading technical teams and projects
Demonstrated problem-solving skills with real-life examples
Received positive feedback on my communication and teamwork abilities
(2 Questions)
- Q1. Offer letter related
- Q2. Relocation related
(2 Questions)
- Q1. Ticket booking and travel date related
- Q2. Confirmation on travel
(2 Questions)
- Q1. Are you ready to travel?
- Ans.
Yes, I am ready to travel for work as needed.
I am willing to travel for client meetings, conferences, and team collaborations.
I have previous experience traveling for work in my current or past roles.
I understand the importance of face-to-face interactions in a technical lead role.
- Q2. Have you talked to your reporting manager
- Ans.
Yes, I regularly communicate with my reporting manager to provide updates and discuss any issues or concerns.
Regularly scheduled check-ins with reporting manager
Provide updates on project progress
Discuss any issues or concerns
Seek guidance and feedback from reporting manager
Interview Preparation Tips
Skills evaluated in this interview
Anonymous
I applied via Recruitment Consulltant and was interviewed in Dec 2024. There was 1 interview round.
(2 Questions)
- Q1. How do microservices communicate?
- Ans.
Microservices communicate through lightweight protocols like HTTP, messaging queues, and RPC.
HTTP: RESTful APIs are commonly used for communication between microservices.
Messaging queues: Services can communicate asynchronously through message brokers like RabbitMQ or Kafka.
RPC (Remote Procedure Call): Services can make direct calls to each other using protocols like gRPC.
- Q2. What is the internal working of a HashMap?
- Ans.
HashMap is a data structure that stores key-value pairs and uses hashing to quickly retrieve values based on keys.
HashMap internally uses an array of linked lists to store key-value pairs.
When a key-value pair is added, the key is hashed to determine the index in the array where it will be stored.
If multiple keys hash to the same index, a linked list is used to handle collisions.
To retrieve a value, the key is hashed a...
Interview Preparation Tips
Selected
I applied via Walk-in and was interviewed in Nov 2024. There were 2 interview rounds.
(1 Question)
- Q1. Covered all html css js and React topics
Covered all html css js and React topics with real time scenarios and what we will do in given situations
Selected
I applied via Naukri.com and was interviewed in Oct 2024. There were 3 interview rounds.
(1 Question)
- Q1. Core java elated questions and programs
(1 Question)
- Q1. Questions related to tech mentioned in cv
(1 Question)
- Q1. Salary discussion
I applied via Recruitment Consulltant and was interviewed in Nov 2024. There was 1 interview round.
(2 Questions)
- Q1. Best practice and Configuration
- Ans.
Best practices and configurations for technical leads
Follow industry standards and guidelines
Regularly review and update configurations
Document configurations and best practices
Implement automation for configuration management
Ensure security measures are in place
Collaborate with team members for input and feedback
- Q2. Admin related question
Interview Preparation Tips
Abhishek Yadav
Selected
I appeared for an interview in Apr 2025, where I was asked the following questions.
- Q1. Python basic internal questions like deep memory shallow memory decorator Gil complied interpreter oops concepts break,pass, continue etc some coding question like array list Database questions like join ,...
- Q2. Django basic to advanced questions
Interview Preparation Tips
Joshnadevi Varma
(1 Question)
- Q1. Diff between str.equals and ==
- Ans.
str.equals compares the content of two strings, while == compares the memory address of the strings.
str.equals compares the actual content of two strings, while == compares the memory address of the strings.
str.equals is a method of the String class in Java, while == is an operator for comparison.
Example: String str1 = 'hello'; String str2 = 'hello'; str1.equals(str2) will return true, but str1 == str2 will return fals...
(1 Question)
- Q1. Write a program about multithreading in java
- Ans.
A program demonstrating multithreading in Java
Create a class that extends Thread or implements Runnable interface
Use the start() method to begin execution of a thread
Synchronize shared resources to avoid race conditions
(1 Question)
- Q1. Negotiated about salary
Skills evaluated in this interview
Selected
I applied via Approached by Company and was interviewed in Jul 2024. There were 2 interview rounds.
(2 Questions)
- Q1. Java code to print all the zeros at the end of the array
- Ans.
Java code to print all the zeros at the end of the array
Iterate through the array from the end
Check if the element is '0'
Print the element if it is '0'
- Q2. Java code to print the repeated words in the given sentence
- Ans.
Java code to print the repeated words in a sentence
Split the sentence into words using split() method
Create a HashMap to store word frequency
Iterate through the words and update the frequency in the HashMap
Print the words with frequency greater than 1
(2 Questions)
- Q1. Java code to print the repeated letters in the given name/words
- Ans.
Java code to print the repeated letters in a given name/words
Iterate through each character in the input string
Use a HashMap to store the count of each character
Print the characters with count greater than 1
- Q2. Explain the Cucumber BDD framework
- Ans.
Cucumber is a BDD framework that allows writing test cases in simple English sentences.
Uses Gherkin syntax to write feature files in plain English
Supports automation testing for behavior-driven development
Integrates with various programming languages like Java, Ruby, etc.
Helps in collaboration between technical and non-technical team members
Interview Preparation Tips
Selected
I appeared for an interview before Jun 2024, where I was asked the following questions.
- Q1. About sql knowledge
- Q2. About tibco ebx
(2 Questions)
- Q1. Snowflake arcitecture
- Q2. Handelling of pipes
- Ans.
Handling of pipes involves managing the flow of data between processes in a Unix-based system.
Pipes are used to transfer the output of one command as input to another command
They are represented by the | symbol in Unix commands
Pipes allow for communication between processes without the need for temporary files
Example: ls | grep 'file'
Example: cat file.txt | grep 'keyword' | wc -l
(2 Questions)
- Q1. How to hande load failures in Snowflake
- Ans.
Load failures in Snowflake can be handled by monitoring the load process, identifying the root cause, and taking appropriate actions.
Monitor the load process regularly to identify any failures
Check the error messages and logs to determine the root cause of the failure
Retry the load operation after fixing the issue, such as data format errors or network connectivity problems
Consider using Snowflake's automatic retry fea...
- Q2. Support role questions
(2 Questions)
- Q1. Questions on window function
- Q2. Streams and task in SNowflake
- Ans.
Streams and tasks in Snowflake are used for real-time data processing and scheduling automated tasks.
Streams in Snowflake capture changes to data in a table and can be used for real-time data processing
Tasks in Snowflake are used for scheduling automated tasks like data loading, data transformation, etc.
Streams can be used in combination with tasks to create real-time data pipelines
Example: Using a stream to capture ch...
Interview Preparation Tips
Skills evaluated in this interview
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Software Engineer
24.8k
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|  ₹2.7 L/yr - ₹8 L/yr |
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| ₹10.8 L/yr - ₹21 L/yr |
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Senior Software Engineer
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| ₹4.5 L/yr - ₹17.5 L/yr |
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Lead Engineer
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| ₹4.1 L/yr - ₹14 L/yr |
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| ₹2.3 L/yr - ₹6.5 L/yr |
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