HCLTech Senior Technical Specialist Interview Questions and Answers

Abstraction is the process of simplifying complex systems by focusing on the essential details.

• Abstraction involves hiding unnecessary details and exposing only the relevant information.

• It allows us to create models or representations that capture the important aspects of a system.

• Abstraction helps in managing complexity and improving understanding and communication.

• For example, in programming, classes and objects are ...read more

Polymorphism is the ability of an object to take on many forms. It allows objects of different classes to be treated as the same type.

• Polymorphism is a fundamental concept in object-oriented programming.

• It allows a single interface to be used for different types of objects.

• Polymorphism is achieved through method overriding and method overloading.

• Example: A shape class with different subclasses like circle, square, and ...read more

There are two types of locators in Selenium: By class and By XPath.

• By class locator uses the HTML class attribute to locate elements.

• By XPath locator uses the XPath expression to locate elements.

• XPath locators are more flexible and powerful but slower than class locators.

• XPath can locate elements based on their attributes, text, or position in the HTML structure.

• Examples: By.className('example') and By.xpath('//div[@id

Jenkins can be configured to send email reports after a build. This requires SMTP server settings and plugin installation.

• Install the Email Extension Plugin in Jenkins

• Configure SMTP server settings in Jenkins

• Add post-build action to send email notification

• Customize email content and recipients

• Test email configuration to ensure successful delivery

API test scenarios involve testing the functionality, performance, and security of APIs.

• Test the API endpoints for correct response codes (e.g., 200, 400, 500)

• Verify the API response payload for expected data and format

• Test API authentication and authorization mechanisms

• Perform load testing to assess API performance under high traffic

• Check API error handling and response messages

• Test API security vulnerabilities (e.g.,...read more