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HCLTech
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I applied via Referral and was interviewed in Nov 2021. There were 2 interview rounds.
What people are saying about HCLTech
posted on 21 Jun 2024
I applied via Naukri.com
I applied via campus placement at Meghnad Saha Institute of Technology, Kolkata and was interviewed before Jul 2021. There were 3 interview rounds.
Game based Test and some MCQS based on programming knowledge
I applied via Job Portal and was interviewed in Oct 2024. There were 2 interview rounds.
I was interviewed in Nov 2024.
I applied via LinkedIn and was interviewed in Nov 2024. There were 2 interview rounds.
HashMap is non-synchronized and allows null values, while Hashtable is synchronized and does not allow null values.
HashMap is non-synchronized and not thread-safe, while Hashtable is synchronized and thread-safe.
HashMap allows null values for both key and value, while Hashtable does not allow null keys or values.
HashMap is faster than Hashtable as it is non-synchronized.
HashMap is part of the Java Collections Framework
Types of exceptions in Selenium include NoSuchElementException, ElementNotVisibleException, StaleElementReferenceException, TimeoutException, and WebDriverException.
NoSuchElementException: Thrown when an element could not be found in the DOM.
ElementNotVisibleException: Thrown when an element is present in the DOM but not visible.
StaleElementReferenceException: Thrown when an element is no longer attached to the DOM.
Tim...
Abstract class can have both abstract and non-abstract methods, while interface can only have abstract methods.
Abstract class can have constructors, fields, and non-abstract methods, while interface cannot.
A class can implement multiple interfaces but can only inherit from one abstract class.
Abstract classes are used to define a common behavior for subclasses, while interfaces are used to define a contract for classes ...
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
Project architecture refers to the overall structure of a software project, including components, modules, and their interactions.
Project architecture defines how different components of a software project are organized and interact with each other.
It includes the high-level design of the system, such as the database structure, data flow, and integration points.
Project architecture also involves decisions on technologi...
Challenges in ETL testing include data quality issues, complex transformations, and handling large volumes of data.
Data quality issues such as missing or incorrect data can impact testing results
Complex transformations can be difficult to validate and may lead to errors in the ETL process
Handling large volumes of data can slow down testing processes and require efficient testing strategies
Roles and responsibilities refer to the tasks and duties assigned to an individual within a specific job or position.
Roles define the position or job title of an individual within an organization.
Responsibilities outline the specific tasks, duties, and expectations associated with that role.
Roles and responsibilities help clarify expectations, define boundaries, and ensure accountability.
Examples include testing data e...
Use a dictionary to find duplicate values in an array of strings in Python.
Create an empty dictionary to store the count of each string in the array.
Iterate through the array and for each string, check if it exists in the dictionary. If it does, increment the count. If not, add it to the dictionary with a count of 1.
After iterating through the array, check the dictionary for any strings with a count greater than 1. The
I applied via LinkedIn
Java code to reverse a string using StringBuilder
Create a StringBuilder object with the input string
Use the reverse() method of StringBuilder to reverse the string
Convert the reversed StringBuilder object back to a string using toString()
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