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HCLTech Senior Developer Interview Questions and Answers
16 Interview questions
Goroutines are lightweight threads managed by the Go runtime, allowing concurrent execution of functions.
Goroutines are created using the 'go' keyword followed by a function call.
They are multiplexed onto multiple OS threads by the Go runtime.
Goroutines communicate using channels to share data safely.
Web API uses attribute routing and convention-based routing for routing mechanism.
Web API uses attribute routing to define routes directly on the controller actions or at the controller level.
Convention-based routing is based on the naming conventions of the controller and action methods.
Attribute routing allows for more control over the URIs and is preferred for complex routing scenarios.
Secure property refers to a property that is protected from unauthorized access or modification.
Secure property can be achieved through encryption, access control, and authentication.
Examples of secure properties include passwords, financial information, and personal data.
Secure property is important for maintaining privacy and preventing data breaches.
Mulesoft is an integration platform that connects applications, data, and devices.
Mulesoft is used for building APIs and integrating different systems
It provides a unified platform for managing APIs, integrations, and analytics
Mulesoft uses Anypoint Studio for development and deployment
It supports various protocols and data formats including REST, SOAP, JSON, and XML
Mulesoft offers pre-built connectors for popular...
What people are saying about HCLTech
In exception handling, parent catch blocks should be placed after child catch blocks to ensure proper error handling.
Catch blocks are evaluated in the order they are written; the first matching block executes.
If a child catch block is placed before a parent, the parent block will never execute for that exception type.
Example: If 'catch (Exception e)' is before 'catch (SpecificException e)', the specific exception ...
A defect is an error or flaw in a software application that causes it to behave unexpectedly or not as intended.
Defects can be caused by coding errors, design flaws, or environmental factors.
Defects can lead to system crashes, data corruption, or security vulnerabilities.
Examples of defects include syntax errors, logic errors, and performance issues.
Defects can be identified through testing, debugging, and code re...
HCLTech HR Interview Questions
Hashmap and Hashtable are both used to store key-value pairs, but Hashtable is synchronized and slower than Hashmap.
Hashmap is not synchronized and allows null keys/values.
Hashtable is synchronized and does not allow null keys/values.
Hashmap is faster than Hashtable.
Hashmap is preferred for non-threaded applications.
Hashtable is preferred for threaded applications.
Example: HashMap
To run a Java program using command line, use the 'java' command followed by the name of the class containing the main method.
Navigate to the directory containing the .class file
Type 'java' followed by the name of the class containing the main method
Include any necessary command line arguments after the class name
Press enter to run the program
Example: java MyProgram arg1 arg2
Hashmap is a data structure that stores key-value pairs and uses hashing to retrieve values quickly.
Hashmap uses an array to store the key-value pairs
The key is hashed to find the index in the array where the value is stored
If two keys hash to the same index, a linked list is used to store multiple values
Hashmap uses load factor to determine when to resize the array
Hashmap provides constant time complexity for ins...
Mulesoft is an integration platform that connects applications, data, and devices.
Munit is a testing framework for Mulesoft applications.
Runtime Manager is a cloud-based platform for managing Mulesoft applications.
Scaling refers to the ability of Mulesoft to handle increased traffic and workload.
RAML is a language used to define APIs in a human-readable format.
HCLTech Senior Developer Interview Experiences
15 interviews found
Anonymous
I applied via Naukri.com and was interviewed in Dec 2024. There were 3 interview rounds.
(1 Question)
- Q1. Project related question , Interface , Abstraction
(1 Question)
- Q1. Scenario based question
(1 Question)
- Q1. Salary Discussioon
(1 Question)
- Q1. What is go routines
radika devarayapalli
(1 Question)
- Q1. Single ton design pattern
- Ans.
Singleton design pattern ensures a class has only one instance and provides a global point of access to it.
Ensures a class has only one instance
Provides a global point of access to that instance
Commonly used in scenarios where only one instance of a class is needed, such as database connections or configuration settings
Skills evaluated in this interview
Ashish Singh
(1 Question)
- Q1. Basics of itk programming
(7 Questions)
- Q1. What’s Mulesoft ? What’s Munit ? What’s Runtime Manager ? What’s Scaling ? What’s RAML ?
- Ans.
Mulesoft is an integration platform that connects applications, data, and devices.
Munit is a testing framework for Mulesoft applications.
Runtime Manager is a cloud-based platform for managing Mulesoft applications.
Scaling refers to the ability of Mulesoft to handle increased traffic and workload.
RAML is a language used to define APIs in a human-readable format.
- Q2. Explain any one interface of your project ?
- Q3. Explain secure property ?
- Ans.
Secure property refers to a property that is protected from unauthorized access or modification.
Secure property can be achieved through encryption, access control, and authentication.
Examples of secure properties include passwords, financial information, and personal data.
Secure property is important for maintaining privacy and preventing data breaches.
- Q4. What different connector have you worked on ? Explain then
- Ans.
I have worked on various connectors including REST, SOAP, JDBC, and JMS.
I have experience working with REST APIs and building RESTful web services.
I have worked with SOAP APIs and have experience in creating SOAP-based web services.
I have worked with JDBC connectors and have experience in connecting to databases using JDBC drivers.
I have experience working with JMS and have implemented messaging systems using JMS.
I hav...
- Q5. Explain batch job , scatter gather ?
- Ans.
Batch job is a process of executing a series of jobs in a batch mode. Scatter gather is a technique of parallel processing.
Batch job is used for processing large volumes of data in a batch mode.
Scatter gather is used for parallel processing of data across multiple nodes.
Batch job is sequential in nature while scatter gather is parallel.
Batch job is commonly used in ETL processes while scatter gather is used in distribu...
- Q6. What’s routing ? Explain exception handling
- Ans.
Routing is the process of selecting a path for network traffic to travel.
Routing is used in networking to determine the best path for data to travel between devices.
It involves analyzing the network topology and selecting the most efficient path.
Routing protocols like OSPF and BGP are used to automate the process.
Exception handling is the process of dealing with errors and exceptions in code.
It involves catching and ha...
- Q7. Explain everything you know about Mulesoft
Interview Preparation Tips
Skills evaluated in this interview
(2 Questions)
- Q1. Oops concepts,how you used in your existing application
- Q2. What Routing mechanism in web api
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Company Website and was interviewed before Nov 2022. There were 4 interview rounds.
(2 Questions)
- Q1. Its pure technical
- Q2. They will your domainrelatedquestions
(1 Question)
- Q1. Its the managerial round
(1 Question)
- Q1. They will start with low salary so pls ask your expected ones
I applied via Approached by Company and was interviewed in Apr 2022. There were 2 interview rounds.
(1 Question)
- Q1. 1.Candidate and Super Key in SQL Server. 2.Difference in join and sub query. 3. How to achieve abstraction , Write the example. 4. can we write Static Function and constructor in Abstract class.
- Ans.
Answers to SQL Server and OOP related questions for Senior Developer position.
Candidate key is a unique identifier for a row in a table, while super key is a set of columns that can uniquely identify a row.
Join combines data from two or more tables based on a related column, while subquery is a query within another query.
Abstraction can be achieved by creating abstract classes or interfaces that define common propertie...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Sep 2021. There were 4 interview rounds.
(1 Question)
- Q1. Explain about about you and background and your experiences and expertise areas. Difficulties or challenges that we faced in our last project What is performance tuning in Teradata and how to do one? Whet...
(1 Question)
- Q1. What are your salary expectations?
(1 Question)
- Q1. Explain about your experience and expertise? Tell about yourself?
(1 Question)
- Q1. Tell about yourself? Explain your last project and the challenges that you faced and if any appreciation you got from clients?
Interview Preparation Tips
- Teradata SQL
- Teradata architecture
Selected
I applied via Naukri.com and was interviewed before Mar 2023. There were 2 interview rounds.
Coding environment provided and asked me to write programs
(2 Questions)
- Q1. Expected salary
- Q2. Why you leaving current company
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HCLTech Senior Developer Reviews and Ratings
based on 130 reviews
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